12889368 has 40 divisors (see below), whose sum is σ = 36103980. Its totient is φ = 4296240.

The previous prime is 12889351. The next prime is 12889423. The reversal of 12889368 is 86398821.

12889368 is a `hidden beast` number, since 1 + 288 + 9 + 368 = 666.

It is a super-2 number, since 2×12889368² = 332271614878848, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9298 + ... + 10593.

Almost surely, 2^12889368 is an apocalyptic number.

12889368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12889368 is an abundant number, since it is smaller than the sum of its proper divisors (23214612).

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

12889368 is a wasteful number, since it uses less digits than its factorization.

12889368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19909 (or 19896 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 12889368 is about 3590.1765973278. The cubic root of 12889368 is about 234.4645603325.

The spelling of 12889368 in words is "twelve million, eight hundred eighty-nine thousand, three hundred sixty-eight".