12692985 has 16 divisors (see below), whose sum is σ = 20805120. Its totient is φ = 6604160.

The previous prime is 12692959. The next prime is 12692993. The reversal of 12692985 is 58929621.

It is not a de Polignac number, because 12692985 - 2⁶ = 12692921 is a prime.

It is a super-2 number, since 2×12692985² = 322223736420450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9705 + ... + 10934.

It is an arithmetic number, because the mean of its divisors is an integer number (1300320).

Almost surely, 2^12692985 is an apocalyptic number.

12692985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12692985 is a deficient number, since it is larger than the sum of its proper divisors (8112135).

12692985 is a wasteful number, since it uses less digits than its factorization.

12692985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20688.

The product of its digits is 77760, while the sum is 42.

The square root of 12692985 is about 3562.7215720570. The cubic root of 12692985 is about 233.2676901513.

The spelling of 12692985 in words is "twelve million, six hundred ninety-two thousand, nine hundred eighty-five".