13267980 has 72 divisors (see below), whose sum is σ = 43911504. Its totient is φ = 3216000.

The previous prime is 13267963. The next prime is 13267981. The reversal of 13267980 is 8976231.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13267981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1371 + ... + 5330.

It is an arithmetic number, because the mean of its divisors is an integer number (609882).

Almost surely, 2^13267980 is an apocalyptic number.

13267980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13267980 is an abundant number, since it is smaller than the sum of its proper divisors (30643524).

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

13267980 is a wasteful number, since it uses less digits than its factorization.

13267980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6727 (or 6722 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 13267980 is about 3642.5238502994. The cubic root of 13267980 is about 236.7381608597.

The spelling of 13267980 in words is "thirteen million, two hundred sixty-seven thousand, nine hundred eighty".