13261080 has 64 divisors (see below), whose sum is σ = 45469440. Its totient is φ = 3030912.

The previous prime is 13261063. The next prime is 13261099. The reversal of 13261080 is 8016231.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7054 + ... + 8733.

It is an arithmetic number, because the mean of its divisors is an integer number (710460).

Almost surely, 2^13261080 is an apocalyptic number.

13261080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13261080 is an abundant number, since it is smaller than the sum of its proper divisors (32208360).

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

13261080 is a wasteful number, since it uses less digits than its factorization.

13261080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15808 (or 15804 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 13261080 is about 3641.5765816470. The cubic root of 13261080 is about 236.6971152607.

The spelling of 13261080 in words is "thirteen million, two hundred sixty-one thousand, eighty".