12725589 has 8 divisors (see below), whose sum is σ = 17090080. Its totient is φ = 8422416.

The previous prime is 12725563. The next prime is 12725591. The reversal of 12725589 is 98552721.

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

It is a de Polignac number, because none of the positive numbers 2^k-12725589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12725599) 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, 14842 + ... + 15675.

It is an arithmetic number, because the mean of its divisors is an integer number (2136260).

Almost surely, 2^12725589 is an apocalyptic number.

It is an amenable number.

12725589 is a deficient number, since it is larger than the sum of its proper divisors (4364491).

12725589 is a wasteful number, since it uses less digits than its factorization.

12725589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30659.

The product of its digits is 50400, while the sum is 39.

The square root of 12725589 is about 3567.2943528675. The cubic root of 12725589 is about 233.4672480722.

The spelling of 12725589 in words is "twelve million, seven hundred twenty-five thousand, five hundred eighty-nine".