12894690 has 16 divisors (see below), whose sum is σ = 30947328. Its totient is φ = 3438576.

The previous prime is 12894689. The next prime is 12894701. The reversal of 12894690 is 9649821.

It is a super-2 number, since 2×12894690² = 332546060392200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214882 + ... + 214941.

It is an arithmetic number, because the mean of its divisors is an integer number (1934208).

Almost surely, 2^12894690 is an apocalyptic number.

12894690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12894690 is an abundant number, since it is smaller than the sum of its proper divisors (18052638).

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

12894690 is a wasteful number, since it uses less digits than its factorization.

12894690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429833.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 12894690 is about 3590.9177100012. The cubic root of 12894690 is about 234.4968259095.

The spelling of 12894690 in words is "twelve million, eight hundred ninety-four thousand, six hundred ninety".