13361859 has 36 divisors (see below), whose sum is σ = 23030280. Its totient is φ = 7439040.

The previous prime is 13361801. The next prime is 13361861. The reversal of 13361859 is 95816331.

It is a happy number.

13361859 is a `hidden beast` number, since 1 + 33 + 618 + 5 + 9 = 666.

It is not a de Polignac number, because 13361859 - 2⁸ = 13361603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13361879) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 17712 + ... + 18450.

It is an arithmetic number, because the mean of its divisors is an integer number (639730).

Almost surely, 2^13361859 is an apocalyptic number.

13361859 is a deficient number, since it is larger than the sum of its proper divisors (9668421).

13361859 is a wasteful number, since it uses less digits than its factorization.

13361859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800 (or 790 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 13361859 is about 3655.3876675395. The cubic root of 13361859 is about 237.2952044349.

The spelling of 13361859 in words is "thirteen million, three hundred sixty-one thousand, eight hundred fifty-nine".