12974256 has 120 divisors (see below), whose sum is σ = 38997504. Its totient is φ = 4173120.

The previous prime is 12974251. The next prime is 12974257. The reversal of 12974256 is 65247921.

12974256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12974256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12974251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182701 + ... + 182771.

Almost surely, 2^12974256 is an apocalyptic number.

12974256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12974256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19498752).

12974256 is an abundant number, since it is smaller than the sum of its proper divisors (26023248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12974256 is an equidigital number, since it uses as much as digits as its factorization.

12974256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 123 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 12974256 is about 3601.9794557993. The cubic root of 12974256 is about 234.9781539976.

The spelling of 12974256 in words is "twelve million, nine hundred seventy-four thousand, two hundred fifty-six".