12692272 has 20 divisors (see below), whose sum is σ = 24652440. Its totient is φ = 6330368.

The previous prime is 12692249. The next prime is 12692293. The reversal of 12692272 is 27229621.

It is a super-2 number, since 2×12692272² = 322187537043968, which contains 22 as substring.

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, 8304 + ... + 9712.

It is an arithmetic number, because the mean of its divisors is an integer number (1232622).

Almost surely, 2^12692272 is an apocalyptic number.

It is an amenable number.

12692272 is a deficient number, since it is larger than the sum of its proper divisors (11960168).

12692272 is a wasteful number, since it uses less digits than its factorization.

12692272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980 (or 1974 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 12692272 is about 3562.6215066998. The cubic root of 12692272 is about 233.2633223061.

The spelling of 12692272 in words is "twelve million, six hundred ninety-two thousand, two hundred seventy-two".