13800859 has 8 divisors (see below), whose sum is σ = 14996480. Its totient is φ = 12652200.

The previous prime is 13800841. The next prime is 13800863. The reversal of 13800859 is 95800831.

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 13800859 - 2¹⁵ = 13768091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13800359) 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 7 ways as a sum of consecutive naturals, for example, 11127 + ... + 12304.

It is an arithmetic number, because the mean of its divisors is an integer number (1874560).

Almost surely, 2^13800859 is an apocalyptic number.

13800859 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13800859 is a deficient number, since it is larger than the sum of its proper divisors (1195621).

13800859 is a wasteful number, since it uses less digits than its factorization.

13800859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23481.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 13800859 is about 3714.9507399157. The cubic root of 13800859 is about 239.8660073814.

The spelling of 13800859 in words is "thirteen million, eight hundred thousand, eight hundred fifty-nine".