13598959 has 8 divisors (see below), whose sum is σ = 14861952. Its totient is φ = 12340440.

The previous prime is 13598947. The next prime is 13598971. The reversal of 13598959 is 95989531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13598947) and next prime (13598971).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13598959 - 2⁷ = 13598831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13598989) 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, 11112 + ... + 12274.

It is an arithmetic number, because the mean of its divisors is an integer number (1857744).

Almost surely, 2^13598959 is an apocalyptic number.

13598959 is a deficient number, since it is larger than the sum of its proper divisors (1262993).

13598959 is a wasteful number, since it uses less digits than its factorization.

13598959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237.

The product of its digits is 437400, while the sum is 49.

The square root of 13598959 is about 3687.6766398371. The cubic root of 13598959 is about 238.6905479555.

The spelling of 13598959 in words is "thirteen million, five hundred ninety-eight thousand, nine hundred fifty-nine".