13497520 has 20 divisors (see below), whose sum is σ = 31381920. Its totient is φ = 5398976.

The previous prime is 13497509. The next prime is 13497529. The reversal of 13497520 is 2579431.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13497529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84280 + ... + 84439.

It is an arithmetic number, because the mean of its divisors is an integer number (1569096).

Almost surely, 2^13497520 is an apocalyptic number.

13497520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13497520 is an abundant number, since it is smaller than the sum of its proper divisors (17884400).

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

13497520 is a wasteful number, since it uses less digits than its factorization.

13497520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168732 (or 168726 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 13497520 is about 3673.8971134206. The cubic root of 13497520 is about 238.0955763297.

The spelling of 13497520 in words is "thirteen million, four hundred ninety-seven thousand, five hundred twenty".