13238980 has 12 divisors (see below), whose sum is σ = 27801900. Its totient is φ = 5295584.

The previous prime is 13238977. The next prime is 13238987. The reversal of 13238980 is 8983231.

It can be written as a sum of positive squares in 2 ways, for example, as 8904256 + 4334724 = 2984^2 + 2082^2 .

It is not an unprimeable number, because it can be changed into a prime (13238987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330955 + ... + 330994.

It is an arithmetic number, because the mean of its divisors is an integer number (2316825).

Almost surely, 2^13238980 is an apocalyptic number.

13238980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13238980 is an abundant number, since it is smaller than the sum of its proper divisors (14562920).

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

13238980 is a wasteful number, since it uses less digits than its factorization.

13238980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661958 (or 661956 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 13238980 is about 3638.5409163564. The cubic root of 13238980 is about 236.5655544623.

The spelling of 13238980 in words is "thirteen million, two hundred thirty-eight thousand, nine hundred eighty".