13980560 has 40 divisors (see below), whose sum is σ = 35462016. Its totient is φ = 5083520.

The previous prime is 13980559. The next prime is 13980583. The reversal of 13980560 is 6508931.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7064 + ... + 8823.

Almost surely, 2^13980560 is an apocalyptic number.

13980560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13980560 is an abundant number, since it is smaller than the sum of its proper divisors (21481456).

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

13980560 is a wasteful number, since it uses less digits than its factorization.

13980560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15911 (or 15905 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 13980560 is about 3739.0587050754. The cubic root of 13980560 is about 240.9026195873.

The spelling of 13980560 in words is "thirteen million, nine hundred eighty thousand, five hundred sixty".