12993800 has 24 divisors (see below), whose sum is σ = 30211050. Its totient is φ = 5197440.

The previous prime is 12993737. The next prime is 12993803. The reversal of 12993800 is 839921.

It can be written as a sum of positive squares in 3 ways, for example, as 7300804 + 5692996 = 2702^2 + 2386^2 .

It is not an unprimeable number, because it can be changed into a prime (12993803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32285 + ... + 32684.

Almost surely, 2^12993800 is an apocalyptic number.

12993800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12993800 is an abundant number, since it is smaller than the sum of its proper divisors (17217250).

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

12993800 is a wasteful number, since it uses less digits than its factorization.

12993800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64985 (or 64976 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 12993800 is about 3604.6913876225. The cubic root of 12993800 is about 235.0960826355.

The spelling of 12993800 in words is "twelve million, nine hundred ninety-three thousand, eight hundred".