13136398 has 16 divisors (see below), whose sum is σ = 21567744. Its totient is φ = 5951160.

The previous prime is 13136377. The next prime is 13136399. The reversal of 13136398 is 89363131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13136399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7261 + ... + 8887.

It is an arithmetic number, because the mean of its divisors is an integer number (1347984).

Almost surely, 2^13136398 is an apocalyptic number.

13136398 is a deficient number, since it is larger than the sum of its proper divisors (8431346).

13136398 is a wasteful number, since it uses less digits than its factorization.

13136398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007.

The product of its digits is 11664, while the sum is 34.

The square root of 13136398 is about 3624.4169186229. The cubic root of 13136398 is about 235.9529615147.

The spelling of 13136398 in words is "thirteen million, one hundred thirty-six thousand, three hundred ninety-eight".