12972356 has 12 divisors (see below), whose sum is σ = 22804992. Its totient is φ = 6456648.

The previous prime is 12972347. The next prime is 12972371. The reversal of 12972356 is 65327921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6380 + ... + 8163.

It is an arithmetic number, because the mean of its divisors is an integer number (1900416).

Almost surely, 2^12972356 is an apocalyptic number.

It is an amenable number.

12972356 is a deficient number, since it is larger than the sum of its proper divisors (9832636).

12972356 is a wasteful number, since it uses less digits than its factorization.

12972356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14770 (or 14768 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 12972356 is about 3601.7157022730. The cubic root of 12972356 is about 234.9666830691.

The spelling of 12972356 in words is "twelve million, nine hundred seventy-two thousand, three hundred fifty-six".