13392856 has 8 divisors (see below), whose sum is σ = 25111620. Its totient is φ = 6696424.

The previous prime is 13392851. The next prime is 13392859. The reversal of 13392856 is 65829331.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13392851) 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, 837046 + ... + 837061.

Almost surely, 2^13392856 is an apocalyptic number.

It is an amenable number.

13392856 is a deficient number, since it is larger than the sum of its proper divisors (11718764).

13392856 is a wasteful number, since it uses less digits than its factorization.

13392856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674113 (or 1674109 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 13392856 is about 3659.6251174130. The cubic root of 13392856 is about 237.4785561433.

The spelling of 13392856 in words is "thirteen million, three hundred ninety-two thousand, eight hundred fifty-six".