13683928 has 16 divisors (see below), whose sum is σ = 25947000. Its totient is φ = 6764736.

The previous prime is 13683907. The next prime is 13683931. The reversal of 13683928 is 82938631.

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 in 3 ways as a sum of consecutive naturals, for example, 8898 + ... + 10321.

Almost surely, 2^13683928 is an apocalyptic number.

It is an amenable number.

13683928 is a deficient number, since it is larger than the sum of its proper divisors (12263072).

13683928 is a wasteful number, since it uses less digits than its factorization.

13683928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19314 (or 19310 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 13683928 is about 3699.1793684546. The cubic root of 13683928 is about 239.1866448176.

The spelling of 13683928 in words is "thirteen million, six hundred eighty-three thousand, nine hundred twenty-eight".