13889168 has 10 divisors (see below), whose sum is σ = 26910294. Its totient is φ = 6944576.

The previous prime is 13889159. The next prime is 13889177. The reversal of 13889168 is 86198831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13889159) and next prime (13889177).

It can be written as a sum of positive squares in only one way, i.e., 13778944 + 110224 = 3712^2 + 332^2 .

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 as a sum of consecutive naturals, namely, 434021 + ... + 434052.

Almost surely, 2^13889168 is an apocalyptic number.

It is an amenable number.

13889168 is a deficient number, since it is larger than the sum of its proper divisors (13021126).

13889168 is an equidigital number, since it uses as much as digits as its factorization.

13889168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868081 (or 868075 counting only the distinct ones).

The product of its digits is 82944, while the sum is 44.

The square root of 13889168 is about 3726.8174089966. The cubic root of 13889168 is about 240.3765385653.

The spelling of 13889168 in words is "thirteen million, eight hundred eighty-nine thousand, one hundred sixty-eight".