13687804 has 12 divisors (see below), whose sum is σ = 25796344. Its totient is φ = 6317424.

The previous prime is 13687801. The next prime is 13687811. The reversal of 13687804 is 40878631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13687801) 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, 131562 + ... + 131665.

Almost surely, 2^13687804 is an apocalyptic number.

It is an amenable number.

13687804 is a deficient number, since it is larger than the sum of its proper divisors (12108540).

13687804 is a wasteful number, since it uses less digits than its factorization.

13687804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263244 (or 263242 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 13687804 is about 3699.7032313417. The cubic root of 13687804 is about 239.2092260510.

The spelling of 13687804 in words is "thirteen million, six hundred eighty-seven thousand, eight hundred four".