13681804 has 12 divisors (see below), whose sum is σ = 25351704. Its totient is φ = 6438464.

The previous prime is 13681793. The next prime is 13681807. The reversal of 13681804 is 40818631.

It is not an unprimeable number, because it can be changed into a prime (13681807) 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, 100534 + ... + 100669.

It is an arithmetic number, because the mean of its divisors is an integer number (2112642).

Almost surely, 2^13681804 is an apocalyptic number.

It is an amenable number.

13681804 is a deficient number, since it is larger than the sum of its proper divisors (11669900).

13681804 is a wasteful number, since it uses less digits than its factorization.

13681804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201224 (or 201222 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 13681804 is about 3698.8922666117. The cubic root of 13681804 is about 239.1742687727.

The spelling of 13681804 in words is "thirteen million, six hundred eighty-one thousand, eight hundred four".