13859955 has 24 divisors (see below), whose sum is σ = 24387792. Its totient is φ = 7280064.

The previous prime is 13859933. The next prime is 13859983. The reversal of 13859955 is 55995831.

13859955 is a `hidden beast` number, since 1 + 3 + 8 + 599 + 55 = 666.

It is not a de Polignac number, because 13859955 - 2⁷ = 13859827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13859955.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 717 + ... + 5313.

It is an arithmetic number, because the mean of its divisors is an integer number (1016158).

Almost surely, 2^13859955 is an apocalyptic number.

13859955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13859955 is a deficient number, since it is larger than the sum of its proper divisors (10527837).

13859955 is a wasteful number, since it uses less digits than its factorization.

13859955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675 (or 4672 counting only the distinct ones).

The product of its digits is 243000, while the sum is 45.

The square root of 13859955 is about 3722.8960501201. The cubic root of 13859955 is about 240.2078927838.

The spelling of 13859955 in words is "thirteen million, eight hundred fifty-nine thousand, nine hundred fifty-five".