13683612856 has 16 divisors (see below), whose sum is σ = 25679082240. Its totient is φ = 6835857600.

The previous prime is 13683612827. The next prime is 13683612857. The reversal of 13683612856 is 65821638631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13683612857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733821 + ... + 752236.

It is an arithmetic number, because the mean of its divisors is an integer number (1604942640).

Almost surely, 2^13683612856 is an apocalyptic number.

It is an amenable number.

13683612856 is a deficient number, since it is larger than the sum of its proper divisors (11995469384).

13683612856 is a wasteful number, since it uses less digits than its factorization.

13683612856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487214 (or 1487210 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The spelling of 13683612856 in words is "thirteen billion, six hundred eighty-three million, six hundred twelve thousand, eight hundred fifty-six".