13898137 has 16 divisors (see below), whose sum is σ = 15966720. Its totient is φ = 11980800.

The previous prime is 13898119. The next prime is 13898147. The reversal of 13898137 is 73189831.

It is a cyclic number.

It is not a de Polignac number, because 13898137 - 2⁷ = 13898009 is a prime.

Its product of digits (36288) is a multiple of the sum of its prime divisors (864).

It is a self number, because there is not a number n which added to its sum of digits gives 13898137.

It is not an unprimeable number, because it can be changed into a prime (13898147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17689 + ... + 18457.

It is an arithmetic number, because the mean of its divisors is an integer number (997920).

Almost surely, 2^13898137 is an apocalyptic number.

It is an amenable number.

13898137 is a deficient number, since it is larger than the sum of its proper divisors (2068583).

13898137 is a wasteful number, since it uses less digits than its factorization.

13898137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864.

The product of its digits is 36288, while the sum is 40.

The square root of 13898137 is about 3728.0205203298. The cubic root of 13898137 is about 240.4282688843.

The spelling of 13898137 in words is "thirteen million, eight hundred ninety-eight thousand, one hundred thirty-seven".