13858805 has 16 divisors (see below), whose sum is σ = 17107200. Its totient is φ = 10774080.

The previous prime is 13858799. The next prime is 13858837. The reversal of 13858805 is 50885831.

It is not a de Polignac number, because 13858805 - 2²⁰ = 12810229 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31940 + ... + 32370.

It is an arithmetic number, because the mean of its divisors is an integer number (1069200).

Almost surely, 2^13858805 is an apocalyptic number.

It is an amenable number.

13858805 is a deficient number, since it is larger than the sum of its proper divisors (3248395).

13858805 is a wasteful number, since it uses less digits than its factorization.

13858805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604.

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 13858805 is about 3722.7415972640. The cubic root of 13858805 is about 240.2012490220.

The spelling of 13858805 in words is "thirteen million, eight hundred fifty-eight thousand, eight hundred five".