13899198 has 32 divisors (see below), whose sum is σ = 28821024. Its totient is φ = 4465152.

The previous prime is 13899187. The next prime is 13899209. The reversal of 13899198 is 89199831.

It is an interprime number because it is at equal distance from previous prime (13899187) and next prime (13899209).

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 30186 + ... + 30642.

It is an arithmetic number, because the mean of its divisors is an integer number (900657).

Almost surely, 2^13899198 is an apocalyptic number.

13899198 is an abundant number, since it is smaller than the sum of its proper divisors (14921826).

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

13899198 is a wasteful number, since it uses less digits than its factorization.

13899198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636.

The product of its digits is 139968, while the sum is 48.

The square root of 13899198 is about 3728.1628183329. The cubic root of 13899198 is about 240.4343869201.

The spelling of 13899198 in words is "thirteen million, eight hundred ninety-nine thousand, one hundred ninety-eight".