12800360 has 16 divisors (see below), whose sum is σ = 28800900. Its totient is φ = 5120128.

The previous prime is 12800353. The next prime is 12800387. The reversal of 12800360 is 6300821.

It can be written as a sum of positive squares in 2 ways, for example, as 11874916 + 925444 = 3446^2 + 962^2 .

It is a super-2 number, since 2×12800360² = 327698432259200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159965 + ... + 160044.

Almost surely, 2^12800360 is an apocalyptic number.

12800360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12800360 is an abundant number, since it is smaller than the sum of its proper divisors (16000540).

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

12800360 is a wasteful number, since it uses less digits than its factorization.

12800360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320020 (or 320016 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12800360 is about 3577.7590751754. The cubic root of 12800360 is about 233.9236120498.

The spelling of 12800360 in words is "twelve million, eight hundred thousand, three hundred sixty".