12597172 has 24 divisors (see below), whose sum is σ = 25543616. Its totient is φ = 5323968.

The previous prime is 12597163. The next prime is 12597173. The reversal of 12597172 is 27179521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12597173) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1038 + ... + 5125.

Almost surely, 2^12597172 is an apocalyptic number.

It is an amenable number.

12597172 is an abundant number, since it is smaller than the sum of its proper divisors (12946444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12597172 is a wasteful number, since it uses less digits than its factorization.

12597172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6247 (or 6245 counting only the distinct ones).

The product of its digits is 8820, while the sum is 34.

The square root of 12597172 is about 3549.2494981334. The cubic root of 12597172 is about 232.6792666836.

It can be divided in two parts, 12597 and 172, that added together give a square (12769 = 113²).

The spelling of 12597172 in words is "twelve million, five hundred ninety-seven thousand, one hundred seventy-two".