12736972 has 6 divisors (see below), whose sum is σ = 22289708. Its totient is φ = 6368484.

The previous prime is 12736949. The next prime is 12737033. The reversal of 12736972 is 27963721.

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 as a sum of consecutive naturals, namely, 1592118 + ... + 1592125.

Almost surely, 2^12736972 is an apocalyptic number.

It is an amenable number.

12736972 is a deficient number, since it is larger than the sum of its proper divisors (9552736).

12736972 is a wasteful number, since it uses less digits than its factorization.

12736972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184247 (or 3184245 counting only the distinct ones).

The product of its digits is 31752, while the sum is 37.

The square root of 12736972 is about 3568.8894631243. The cubic root of 12736972 is about 233.5368392371.

The spelling of 12736972 in words is "twelve million, seven hundred thirty-six thousand, nine hundred seventy-two".