13716520 has 32 divisors (see below), whose sum is σ = 31096800. Its totient is φ = 5444928.

The previous prime is 13716517. The next prime is 13716541. The reversal of 13716520 is 2561731.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4327 + ... + 6793.

It is an arithmetic number, because the mean of its divisors is an integer number (971775).

Almost surely, 2^13716520 is an apocalyptic number.

13716520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13716520 is an abundant number, since it is smaller than the sum of its proper divisors (17380280).

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

13716520 is a wasteful number, since it uses less digits than its factorization.

13716520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617 (or 2613 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 13716520 is about 3703.5820498539. The cubic root of 13716520 is about 239.3763902916.

The spelling of 13716520 in words is "thirteen million, seven hundred sixteen thousand, five hundred twenty".