12596889 has 4 divisors (see below), whose sum is σ = 16795856. Its totient is φ = 8397924.

The previous prime is 12596879. The next prime is 12596897. The reversal of 12596889 is 98869521.

It is a happy number.

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 not a de Polignac number, because 12596889 - 2¹⁵ = 12564121 is a prime.

It is a super-2 number, since 2×12596889² = 317363224956642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12596809) 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, 2099479 + ... + 2099484.

It is an arithmetic number, because the mean of its divisors is an integer number (4198964).

Almost surely, 2^12596889 is an apocalyptic number.

It is an amenable number.

12596889 is a deficient number, since it is larger than the sum of its proper divisors (4198967).

12596889 is an equidigital number, since it uses as much as digits as its factorization.

12596889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4198966.

The product of its digits is 311040, while the sum is 48.

The square root of 12596889 is about 3549.2096303262. The cubic root of 12596889 is about 232.6775242628.

The spelling of 12596889 in words is "twelve million, five hundred ninety-six thousand, eight hundred eighty-nine".