13678804 has 6 divisors (see below), whose sum is σ = 23937914. Its totient is φ = 6839400.

The previous prime is 13678783. The next prime is 13678811. The reversal of 13678804 is 40887631.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13675204 + 3600 = 3698^2 + 60^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1709847 + ... + 1709854.

Almost surely, 2^13678804 is an apocalyptic number.

It is an amenable number.

13678804 is a deficient number, since it is larger than the sum of its proper divisors (10259110).

13678804 is a wasteful number, since it uses less digits than its factorization.

13678804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419705 (or 3419703 counting only the distinct ones).

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

The square root of 13678804 is about 3698.4867175644. The cubic root of 13678804 is about 239.1567863010.

The spelling of 13678804 in words is "thirteen million, six hundred seventy-eight thousand, eight hundred four".