13936886 has 4 divisors (see below), whose sum is σ = 20905332. Its totient is φ = 6968442.

The previous prime is 13936883. The next prime is 13936891. The reversal of 13936886 is 68863931.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13936883) 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 as a sum of consecutive naturals, namely, 3484220 + ... + 3484223.

It is an arithmetic number, because the mean of its divisors is an integer number (5226333).

Almost surely, 2^13936886 is an apocalyptic number.

13936886 is a deficient number, since it is larger than the sum of its proper divisors (6968446).

13936886 is an equidigital number, since it uses as much as digits as its factorization.

13936886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6968445.

The product of its digits is 186624, while the sum is 44.

The square root of 13936886 is about 3733.2138968990. The cubic root of 13936886 is about 240.6515052829.

The spelling of 13936886 in words is "thirteen million, nine hundred thirty-six thousand, eight hundred eighty-six".