Discover a lot of information on the number 12: properties, mathematical operations, how to write it, symbolism, numerology, representations and many other interesting things!

## Mathematical properties of 12

Is 12 a prime number? No
Is 12 a perfect number? No
Number of divisors 6
List of dividers 1, 2, 3, 4, 6, 12
Sum of divisors 28
Prime factorization 22 x 3
Prime factors 2, 3

## How to write / spell 12 in letters?

In letters, the number 12 is written as: Twelve. And in other languages? how does it spell?

12 in other languages
Write 12 in english Twelve
Write 12 in french Douze
Write 12 in spanish Doce
Write 12 in portuguese Doze

## Decomposition of the number 12

The number 12 is composed of:

1 iteration of the number 1 : The number 1 (one) represents the uniqueness, the unique, a starting point, a beginning.... Find out more about the number 1

1 iteration of the number 2 : The number 2 (two) represents double, association, cooperation, union, complementarity. It is the symbol of duality.... Find out more about the number 2

Other ways to write 12
In letter Twelve
In roman numeral XII
In binary 1100
In octal 14
In US dollars USD 12.00 (\$)
In euros 12,00 EUR (€)
Some related numbers
Previous number 11
Next number 13
Next prime number 13

## Mathematical operations

Operations and solutions
12*2 = 24 The double of 12 is 24
12*3 = 36 The triple of 12 is 36
12/2 = 6 The half of 12 is 6.000000
12/3 = 4 The third of 12 is 4.000000
122 = 144 The square of 12 is 144.000000
123 = 1728 The cube of 12 is 1728.000000
√12 = 3.4641016151378 The square root of 12 is 3.464102
log(12) = 2.484906649788 The natural (Neperian) logarithm of 12 is 2.484907
log10(12) = 1.0791812460476 The decimal logarithm (base 10) of 12 is 1.079181
sin(12) = -0.53657291800043 The sine of 12 is -0.536573
cos(12) = 0.84385395873249 The cosine of 12 is 0.843854
tan(12) = -0.63585992866158 The tangent of 12 is -0.635860