13569984 has 56 divisors (see below), whose sum is σ = 39898320. Its totient is φ = 4522752.

The previous prime is 13569967. The next prime is 13569991. The reversal of 13569984 is 48996531.

It is a happy number.

13569984 is a `hidden beast` number, since 1 + 3 + 569 + 9 + 84 = 666.

13569984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

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, 2199 + ... + 5654.

It is an arithmetic number, because the mean of its divisors is an integer number (712470).

Almost surely, 2^13569984 is an apocalyptic number.

It is an amenable number.

13569984 is an abundant number, since it is smaller than the sum of its proper divisors (26328336).

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

13569984 is an equidigital number, since it uses as much as digits as its factorization.

13569984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7874 (or 7858 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 13569984 is about 3683.7459195770. The cubic root of 13569984 is about 238.5209031954.

The spelling of 13569984 in words is "thirteen million, five hundred sixty-nine thousand, nine hundred eighty-four".