13889016 has 32 divisors (see below), whose sum is σ = 38581200. Its totient is φ = 4629600.

The previous prime is 13888997. The next prime is 13889027. The reversal of 13889016 is 61098831.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31935 + ... + 32366.

Almost surely, 2^13889016 is an apocalyptic number.

It is an amenable number.

13889016 is an abundant number, since it is smaller than the sum of its proper divisors (24692184).

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

13889016 is a wasteful number, since it uses less digits than its factorization.

13889016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64316 (or 64306 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 13889016 is about 3726.7970162057. The cubic root of 13889016 is about 240.3756616861.

It can be divided in two parts, 1388 and 9016, that added together give a square (10404 = 102²).

The spelling of 13889016 in words is "thirteen million, eight hundred eighty-nine thousand, sixteen".