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Numbers / 12

The Number 12

12 is composite: factorization 2^2 × 3. That gives 12 exactly 6 divisors: 1, 2, 3, 4, 6, 12. 12's proper divisors total 16, 4 more than 12 itself, so 12 is abundant. 12 has a digit sum of 3; for 12, the digital root works out to 3. 12: 2, 3, 4, 6 all divide 12 evenly, out of 2-12. 12 is 1100 in binary and C in hex; as a Roman numeral it's XII.

Factors
1, 2, 3, 4, 6, 12
Number of factors
6
Prime?
No
Prime factorization
2^2 x 3
Even or odd
Even
Square
144
Cube
1728
Binary
1100
Hexadecimal
C
Roman numeral
XII
Perfect square?
No
Perfect cube?
No
Perfect number?
No
Triangular number?
No
Fibonacci number?
No
Factors of 12 in detail →Is 12 prime? →