12590689 has 4 divisors (see below), whose sum is σ = 12858624. Its totient is φ = 12322756.

The previous prime is 12590671. The next prime is 12590719. The reversal of 12590689 is 98609521.

12590689 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12590689 - 2⁷ = 12590561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12590639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133897 + ... + 133990.

It is an arithmetic number, because the mean of its divisors is an integer number (3214656).

Almost surely, 2^12590689 is an apocalyptic number.

It is an amenable number.

12590689 is a deficient number, since it is larger than the sum of its proper divisors (267935).

12590689 is an equidigital number, since it uses as much as digits as its factorization.

12590689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267934.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 12590689 is about 3548.3360889296. The cubic root of 12590689 is about 232.6393445347.

The spelling of 12590689 in words is "twelve million, five hundred ninety thousand, six hundred eighty-nine".