13980424 has 16 divisors (see below), whose sum is σ = 26265600. Its totient is φ = 6976272.

The previous prime is 13980403. The next prime is 13980427. The reversal of 13980424 is 42408931.

It is not an unprimeable number, because it can be changed into a prime (13980427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3417 + ... + 6295.

It is an arithmetic number, because the mean of its divisors is an integer number (1641600).

Almost surely, 2^13980424 is an apocalyptic number.

It is an amenable number.

13980424 is a deficient number, since it is larger than the sum of its proper divisors (12285176).

13980424 is a wasteful number, since it uses less digits than its factorization.

13980424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492 (or 3488 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 13980424 is about 3739.0405186358. The cubic root of 13980424 is about 240.9018384345.

The spelling of 13980424 in words is "thirteen million, nine hundred eighty thousand, four hundred twenty-four".