13988188 has 12 divisors (see below), whose sum is σ = 24704680. Its totient is φ = 6929712.

The previous prime is 13988173. The next prime is 13988189. The reversal of 13988188 is 88188931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13988189) by changing a digit.

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, 15606 + ... + 16477.

Almost surely, 2^13988188 is an apocalyptic number.

It is an amenable number.

13988188 is a deficient number, since it is larger than the sum of its proper divisors (10716492).

13988188 is a wasteful number, since it uses less digits than its factorization.

13988188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32196 (or 32194 counting only the distinct ones).

The product of its digits is 110592, while the sum is 46.

The square root of 13988188 is about 3740.0786087996. The cubic root of 13988188 is about 240.9464249636.

The spelling of 13988188 in words is "thirteen million, nine hundred eighty-eight thousand, one hundred eighty-eight".