12859800 has 48 divisors (see below), whose sum is σ = 39867240. Its totient is φ = 3429120.

The previous prime is 12859799. The next prime is 12859807. The reversal of 12859800 is 895821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12859807) 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, 10117 + ... + 11316.

Almost surely, 2^12859800 is an apocalyptic number.

12859800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12859800 is an abundant number, since it is smaller than the sum of its proper divisors (27007440).

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

12859800 is a wasteful number, since it uses less digits than its factorization.

12859800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21452 (or 21443 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 12859800 is about 3586.0563297305. The cubic root of 12859800 is about 234.2851371052.

The spelling of 12859800 in words is "twelve million, eight hundred fifty-nine thousand, eight hundred".