12889164 has 24 divisors (see below), whose sum is σ = 30775360. Its totient is φ = 4196304.

The previous prime is 12889159. The next prime is 12889169. The reversal of 12889164 is 46198821.

It is an interprime number because it is at equal distance from previous prime (12889159) and next prime (12889169).

It is a super-2 number, since 2×12889164² = 332261097237792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12889169) 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, 11974 + ... + 13005.

Almost surely, 2^12889164 is an apocalyptic number.

It is an amenable number.

12889164 is an abundant number, since it is smaller than the sum of its proper divisors (17886196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12889164 is a wasteful number, since it uses less digits than its factorization.

12889164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25029 (or 25027 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 12889164 is about 3590.1481863567. The cubic root of 12889164 is about 234.4633233693.

The spelling of 12889164 in words is "twelve million, eight hundred eighty-nine thousand, one hundred sixty-four".