12588929 has 6 divisors (see below), whose sum is σ = 13038870. Its totient is φ = 12154016.

The previous prime is 12588913. The next prime is 12588937. The reversal of 12588929 is 92988521.

It can be written as a sum of positive squares in 3 ways, for example, as 21904 + 12567025 = 148^2 + 3545^2 .

It is not a de Polignac number, because 12588929 - 2⁴ = 12588913 is a prime.

It is a super-2 number, since 2×12588929² = 316962266734082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12588929.

It is not an unprimeable number, because it can be changed into a prime (12588629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6644 + ... + 8325.

It is an arithmetic number, because the mean of its divisors is an integer number (2173145).

Almost surely, 2^12588929 is an apocalyptic number.

It is an amenable number.

12588929 is a deficient number, since it is larger than the sum of its proper divisors (449941).

12588929 is an equidigital number, since it uses as much as digits as its factorization.

12588929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15027 (or 14998 counting only the distinct ones).

The product of its digits is 103680, while the sum is 44.

The square root of 12588929 is about 3548.0880766971. The cubic root of 12588929 is about 232.6285041344.

The spelling of 12588929 in words is "twelve million, five hundred eighty-eight thousand, nine hundred twenty-nine".