13598857 has 4 divisors (see below), whose sum is σ = 13611136. Its totient is φ = 13586580.

The previous prime is 13598833. The next prime is 13598873. The reversal of 13598857 is 75889531.

13598857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75889531 = 449 ⋅169019.

It is a cyclic number.

It is not a de Polignac number, because 13598857 - 2⁷ = 13598729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13598257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4293 + ... + 6754.

It is an arithmetic number, because the mean of its divisors is an integer number (3402784).

Almost surely, 2^13598857 is an apocalyptic number.

It is an amenable number.

13598857 is a deficient number, since it is larger than the sum of its proper divisors (12279).

13598857 is a wasteful number, since it uses less digits than its factorization.

13598857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12278.

The product of its digits is 302400, while the sum is 46.

The square root of 13598857 is about 3687.6628099651. The cubic root of 13598857 is about 238.6899511820.

The spelling of 13598857 in words is "thirteen million, five hundred ninety-eight thousand, eight hundred fifty-seven".