13983018 has 24 divisors (see below), whose sum is σ = 32016672. Its totient is φ = 3988224.

The previous prime is 13983007. The next prime is 13983019. The reversal of 13983018 is 81038931.

It is a self number, because there is not a number n which added to its sum of digits gives 13983018.

It is not an unprimeable number, because it can be changed into a prime (13983019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23946 + ... + 24522.

It is an arithmetic number, because the mean of its divisors is an integer number (1334028).

Almost surely, 2^13983018 is an apocalyptic number.

13983018 is an abundant number, since it is smaller than the sum of its proper divisors (18033654).

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

13983018 is an frugal number, since it uses more digits than its factorization.

13983018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 13983018 is about 3739.3873829813. The cubic root of 13983018 is about 240.9167369031.

The spelling of 13983018 in words is "thirteen million, nine hundred eighty-three thousand, eighteen".