12597980 has 12 divisors (see below), whose sum is σ = 26455800. Its totient is φ = 5039184.

The previous prime is 12597971. The next prime is 12598013. The reversal of 12597980 is 8979521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314930 + ... + 314969.

It is an arithmetic number, because the mean of its divisors is an integer number (2204650).

Almost surely, 2^12597980 is an apocalyptic number.

12597980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12597980 is an abundant number, since it is smaller than the sum of its proper divisors (13857820).

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

12597980 is a wasteful number, since it uses less digits than its factorization.

12597980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629908 (or 629906 counting only the distinct ones).

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

The square root of 12597980 is about 3549.3633231891. The cubic root of 12597980 is about 232.6842413670.

The spelling of 12597980 in words is "twelve million, five hundred ninety-seven thousand, nine hundred eighty".