13493880 has 48 divisors (see below), whose sum is σ = 43856280. Its totient is φ = 3598272.

The previous prime is 13493861. The next prime is 13493899. The reversal of 13493880 is 8839431.

It is an interprime number because it is at equal distance from previous prime (13493861) and next prime (13493899).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18382 + ... + 19101.

Almost surely, 2^13493880 is an apocalyptic number.

13493880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13493880 is an abundant number, since it is smaller than the sum of its proper divisors (30362400).

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

13493880 is a wasteful number, since it uses less digits than its factorization.

13493880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37500 (or 37493 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 13493880 is about 3673.4016932538. The cubic root of 13493880 is about 238.0741712662.

The spelling of 13493880 in words is "thirteen million, four hundred ninety-three thousand, eight hundred eighty".