12697800 has 48 divisors (see below), whose sum is σ = 39365040. Its totient is φ = 3385920.

The previous prime is 12697799. The next prime is 12697807. The reversal of 12697800 is 879621.

It is a super-2 number, since 2×12697800² = 322468249680000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12697807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9982 + ... + 11181.

It is an arithmetic number, because the mean of its divisors is an integer number (820105).

Almost surely, 2^12697800 is an apocalyptic number.

12697800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12697800 is an abundant number, since it is smaller than the sum of its proper divisors (26667240).

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

12697800 is a wasteful number, since it uses less digits than its factorization.

12697800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21182 (or 21173 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 12697800 is about 3563.3972554292. The cubic root of 12697800 is about 233.2971826080.

The spelling of 12697800 in words is "twelve million, six hundred ninety-seven thousand, eight hundred".