12997580 has 12 divisors (see below), whose sum is σ = 27294960. Its totient is φ = 5199024.

The previous prime is 12997573. The next prime is 12997591. The reversal of 12997580 is 8579921.

12997580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 324920 + ... + 324959.

It is an arithmetic number, because the mean of its divisors is an integer number (2274580).

Almost surely, 2^12997580 is an apocalyptic number.

12997580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12997580 is an abundant number, since it is smaller than the sum of its proper divisors (14297380).

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

12997580 is a wasteful number, since it uses less digits than its factorization.

12997580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649888 (or 649886 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 12997580 is about 3605.2156662258. The cubic root of 12997580 is about 235.1188775334.

The spelling of 12997580 in words is "twelve million, nine hundred ninety-seven thousand, five hundred eighty".