12597170925 has 12 divisors (see below), whose sum is σ = 20827322720. Its totient is φ = 6718491120.

The previous prime is 12597170917. The next prime is 12597170933. The reversal of 12597170925 is 52907179521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12597170917) and next prime (12597170933).

It is not a de Polignac number, because 12597170925 - 2³ = 12597170917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83981065 + ... + 83981214.

Almost surely, 2^12597170925 is an apocalyptic number.

12597170925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12597170925 is a deficient number, since it is larger than the sum of its proper divisors (8230151795).

12597170925 is a wasteful number, since it uses less digits than its factorization.

12597170925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167962292 (or 167962287 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 48.

The spelling of 12597170925 in words is "twelve billion, five hundred ninety-seven million, one hundred seventy thousand, nine hundred twenty-five".