13680686896 has 40 divisors (see below), whose sum is σ = 29033320320. Its totient is φ = 6215967744.

The previous prime is 13680686843. The next prime is 13680686941. The reversal of 13680686896 is 69868608631.

It is a super-2 number, since 2×13680686896² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859296 + ... + 875071.

It is an arithmetic number, because the mean of its divisors is an integer number (725833008).

Almost surely, 2^13680686896 is an apocalyptic number.

13680686896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13680686896 is an abundant number, since it is smaller than the sum of its proper divisors (15352633424).

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

13680686896 is a wasteful number, since it uses less digits than its factorization.

13680686896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734421 (or 1734415 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 61.

The spelling of 13680686896 in words is "thirteen billion, six hundred eighty million, six hundred eighty-six thousand, eight hundred ninety-six".