12972508 has 24 divisors (see below), whose sum is σ = 23587200. Its totient is φ = 6236160.

The previous prime is 12972461. The next prime is 12972521. The reversal of 12972508 is 80527921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28668 + ... + 29116.

It is an arithmetic number, because the mean of its divisors is an integer number (982800).

Almost surely, 2^12972508 is an apocalyptic number.

It is an amenable number.

12972508 is a deficient number, since it is larger than the sum of its proper divisors (10614692).

12972508 is a wasteful number, since it uses less digits than its factorization.

12972508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 12972508 is about 3601.7368032659. The cubic root of 12972508 is about 234.9676007846.

The spelling of 12972508 in words is "twelve million, nine hundred seventy-two thousand, five hundred eight".