13974320 has 20 divisors (see below), whose sum is σ = 32490480. Its totient is φ = 5589696.

The previous prime is 13974299. The next prime is 13974343. The reversal of 13974320 is 2347931.

13974320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87260 + ... + 87419.

It is an arithmetic number, because the mean of its divisors is an integer number (1624524).

Almost surely, 2^13974320 is an apocalyptic number.

13974320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13974320 is an abundant number, since it is smaller than the sum of its proper divisors (18516160).

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

13974320 is a wasteful number, since it uses less digits than its factorization.

13974320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174692 (or 174686 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 13974320 is about 3738.2241773334. The cubic root of 13974320 is about 240.8667732395.

The spelling of 13974320 in words is "thirteen million, nine hundred seventy-four thousand, three hundred twenty".