13936806 has 32 divisors (see below), whose sum is σ = 33354720. Its totient is φ = 4288032.

The previous prime is 13936799. The next prime is 13936817. The reversal of 13936806 is 60863931.

It is a happy number.

It is a super-2 number, since 2×13936806² = 388469122963272, which contains 22 as substring.

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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9225 + ... + 10628.

It is an arithmetic number, because the mean of its divisors is an integer number (1042335).

Almost surely, 2^13936806 is an apocalyptic number.

13936806 is an abundant number, since it is smaller than the sum of its proper divisors (19417914).

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

13936806 is a wasteful number, since it uses less digits than its factorization.

13936806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19877 (or 19871 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 13936806 is about 3733.2031822552. The cubic root of 13936806 is about 240.6510448224.

The spelling of 13936806 in words is "thirteen million, nine hundred thirty-six thousand, eight hundred six".