13986804 has 24 divisors (see below), whose sum is σ = 35146720. Its totient is φ = 4303584.

The previous prime is 13986769. The next prime is 13986809. The reversal of 13986804 is 40868931.

It is a super-2 number, since 2×13986804² = 391261372268832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13986809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44674 + ... + 44985.

Almost surely, 2^13986804 is an apocalyptic number.

It is an amenable number.

13986804 is an abundant number, since it is smaller than the sum of its proper divisors (21159916).

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

13986804 is a wasteful number, since it uses less digits than its factorization.

13986804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89679 (or 89677 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 13986804 is about 3739.8935813737. The cubic root of 13986804 is about 240.9384782386.

The spelling of 13986804 in words is "thirteen million, nine hundred eighty-six thousand, eight hundred four".