13730508 has 36 divisors (see below), whose sum is σ = 37864008. Its totient is φ = 4160640.

The previous prime is 13730501. The next prime is 13730513. The reversal of 13730508 is 80503731.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (13730501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16941 + ... + 17732.

It is an arithmetic number, because the mean of its divisors is an integer number (1051778).

Almost surely, 2^13730508 is an apocalyptic number.

13730508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13730508 is an abundant number, since it is smaller than the sum of its proper divisors (24133500).

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

13730508 is a wasteful number, since it uses less digits than its factorization.

13730508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34694 (or 34689 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 13730508 is about 3705.4700106734. The cubic root of 13730508 is about 239.4577340379.

The spelling of 13730508 in words is "thirteen million, seven hundred thirty thousand, five hundred eight".