13813684 has 12 divisors (see below), whose sum is σ = 25446400. Its totient is φ = 6543288.

The previous prime is 13813651. The next prime is 13813699. The reversal of 13813684 is 48631831.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 90804 + ... + 90955.

Almost surely, 2^13813684 is an apocalyptic number.

It is an amenable number.

13813684 is a deficient number, since it is larger than the sum of its proper divisors (11632716).

13813684 is a wasteful number, since it uses less digits than its factorization.

13813684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181782 (or 181780 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 13813684 is about 3716.6764723339. The cubic root of 13813684 is about 239.9402860699.

The spelling of 13813684 in words is "thirteen million, eight hundred thirteen thousand, six hundred eighty-four".