13685320804 has 24 divisors (see below), whose sum is σ = 25332935040. Its totient is φ = 6455490624.

The previous prime is 13685320801. The next prime is 13685320829. The reversal of 13685320804 is 40802358631.

It is not an unprimeable number, because it can be changed into a prime (13685320801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012144 + ... + 1025575.

It is an arithmetic number, because the mean of its divisors is an integer number (1055538960).

Almost surely, 2^13685320804 is an apocalyptic number.

It is an amenable number.

13685320804 is a deficient number, since it is larger than the sum of its proper divisors (11647614236).

13685320804 is a wasteful number, since it uses less digits than its factorization.

13685320804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037819 (or 2037817 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 13685320804 in words is "thirteen billion, six hundred eighty-five million, three hundred twenty thousand, eight hundred four".