12925689 has 8 divisors (see below), whose sum is σ = 19696320. Its totient is φ = 7386096.

The previous prime is 12925663. The next prime is 12925697. The reversal of 12925689 is 98652921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12925689 - 2¹⁵ = 12892921 is a prime.

It is a super-2 number, since 2×12925689² = 334146872249442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12925689.

It is not an unprimeable number, because it can be changed into a prime (12925699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307734 + ... + 307775.

It is an arithmetic number, because the mean of its divisors is an integer number (2462040).

Almost surely, 2^12925689 is an apocalyptic number.

It is an amenable number.

12925689 is a deficient number, since it is larger than the sum of its proper divisors (6770631).

12925689 is an equidigital number, since it uses as much as digits as its factorization.

12925689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615519.

The product of its digits is 77760, while the sum is 42.

The square root of 12925689 is about 3595.2314250963. The cubic root of 12925689 is about 234.6845866549.

The spelling of 12925689 in words is "twelve million, nine hundred twenty-five thousand, six hundred eighty-nine".