12998980 has 24 divisors (see below), whose sum is σ = 27457920. Its totient is φ = 5169120.

The previous prime is 12998977. The next prime is 12998981. The reversal of 12998980 is 8989921.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12998980.

It is not an unprimeable number, because it can be changed into a prime (12998981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765 + ... + 5395.

It is an arithmetic number, because the mean of its divisors is an integer number (1144080).

Almost surely, 2^12998980 is an apocalyptic number.

12998980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12998980 is an abundant number, since it is smaller than the sum of its proper divisors (14458940).

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

12998980 is a wasteful number, since it uses less digits than its factorization.

12998980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819 (or 3817 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 46.

The square root of 12998980 is about 3605.4098241393. The cubic root of 12998980 is about 235.1273189667.

The spelling of 12998980 in words is "twelve million, nine hundred ninety-eight thousand, nine hundred eighty".