12972868 has 12 divisors (see below), whose sum is σ = 22782060. Its totient is φ = 6463712.

The previous prime is 12972833. The next prime is 12972871. The reversal of 12972868 is 86827921.

12972868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6980164 + 5992704 = 2642^2 + 2448^2 .

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, 4363 + ... + 6706.

It is an arithmetic number, because the mean of its divisors is an integer number (1898505).

Almost surely, 2^12972868 is an apocalyptic number.

It is an amenable number.

12972868 is a deficient number, since it is larger than the sum of its proper divisors (9809192).

12972868 is a wasteful number, since it uses less digits than its factorization.

12972868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11366 (or 11364 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 12972868 is about 3601.7867788085. The cubic root of 12972868 is about 234.9697742927.

The spelling of 12972868 in words is "twelve million, nine hundred seventy-two thousand, eight hundred sixty-eight".