12889792 has 14 divisors (see below), whose sum is σ = 25578308. Its totient is φ = 6444864.

The previous prime is 12889787. The next prime is 12889819. The reversal of 12889792 is 29798821.

It is a super-2 number, since 2×12889792² = 332293475606528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100638 + ... + 100765.

It is an arithmetic number, because the mean of its divisors is an integer number (1827022).

Almost surely, 2^12889792 is an apocalyptic number.

It is an amenable number.

12889792 is a deficient number, since it is larger than the sum of its proper divisors (12688516).

12889792 is an equidigital number, since it uses as much as digits as its factorization.

12889792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201415 (or 201405 counting only the distinct ones).

The product of its digits is 145152, while the sum is 46.

The square root of 12889792 is about 3590.2356468622. The cubic root of 12889792 is about 234.4671312339.

The spelling of 12889792 in words is "twelve million, eight hundred eighty-nine thousand, seven hundred ninety-two".