13680524 has 24 divisors (see below), whose sum is σ = 28127568. Its totient is φ = 5739840.

The previous prime is 13680479. The next prime is 13680539. The reversal of 13680524 is 42508631.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11387 + ... + 12530.

It is an arithmetic number, because the mean of its divisors is an integer number (1171982).

Almost surely, 2^13680524 is an apocalyptic number.

It is an amenable number.

13680524 is an abundant number, since it is smaller than the sum of its proper divisors (14447044).

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

13680524 is a wasteful number, since it uses less digits than its factorization.

13680524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23945 (or 23943 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 13680524 is about 3698.7192377903. The cubic root of 13680524 is about 239.1668098974.

The spelling of 13680524 in words is "thirteen million, six hundred eighty thousand, five hundred twenty-four".