13805886 has 32 divisors (see below), whose sum is σ = 28533888. Its totient is φ = 4451040.

The previous prime is 13805873. The next prime is 13805899. The reversal of 13805886 is 68850831.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13805873) and next prime (13805899).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24241 + ... + 24803.

It is an arithmetic number, because the mean of its divisors is an integer number (891684).

Almost surely, 2^13805886 is an apocalyptic number.

13805886 is an abundant number, since it is smaller than the sum of its proper divisors (14728002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13805886 is a wasteful number, since it uses less digits than its factorization.

13805886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 13805886 is about 3715.6272687125. The cubic root of 13805886 is about 239.8951277920.

The spelling of 13805886 in words is "thirteen million, eight hundred five thousand, eight hundred eighty-six".