12956712 has 16 divisors (see below), whose sum is σ = 32391840. Its totient is φ = 4318896.

The previous prime is 12956701. The next prime is 12956731. The reversal of 12956712 is 21765921.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269908 + ... + 269955.

It is an arithmetic number, because the mean of its divisors is an integer number (2024490).

Almost surely, 2^12956712 is an apocalyptic number.

12956712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12956712 is an abundant number, since it is smaller than the sum of its proper divisors (19435128).

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

12956712 is a wasteful number, since it uses less digits than its factorization.

12956712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539872 (or 539868 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 12956712 is about 3599.5433043652. The cubic root of 12956712 is about 234.8721924616.

The spelling of 12956712 in words is "twelve million, nine hundred fifty-six thousand, seven hundred twelve".