13237980 has 96 divisors (see below), whose sum is σ = 43405824. Its totient is φ = 2951424.

The previous prime is 13237979. The next prime is 13237981. The reversal of 13237980 is 8973231.

It is an interprime number because it is at equal distance from previous prime (13237979) and next prime (13237981).

It is a super-2 number, since 2×13237980² = 350488228960800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13237981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17694 + ... + 18426.

It is an arithmetic number, because the mean of its divisors is an integer number (452144).

Almost surely, 2^13237980 is an apocalyptic number.

13237980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13237980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21702912).

13237980 is an abundant number, since it is smaller than the sum of its proper divisors (30167844).

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

13237980 is a wasteful number, since it uses less digits than its factorization.

13237980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 13237980 is about 3638.4034960405. The cubic root of 13237980 is about 236.5595980238.

The spelling of 13237980 in words is "thirteen million, two hundred thirty-seven thousand, nine hundred eighty".