13687384 has 8 divisors (see below), whose sum is σ = 25663860. Its totient is φ = 6843688.

The previous prime is 13687357. The next prime is 13687403. The reversal of 13687384 is 48378631.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 855454 + ... + 855469.

Almost surely, 2^13687384 is an apocalyptic number.

It is an amenable number.

13687384 is a deficient number, since it is larger than the sum of its proper divisors (11976476).

13687384 is a wasteful number, since it uses less digits than its factorization.

13687384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710929 (or 1710925 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 13687384 is about 3699.6464695968. The cubic root of 13687384 is about 239.2067793741.

The spelling of 13687384 in words is "thirteen million, six hundred eighty-seven thousand, three hundred eighty-four".