13903804 has 6 divisors (see below), whose sum is σ = 24331664. Its totient is φ = 6951900.

The previous prime is 13903783. The next prime is 13903829. The reversal of 13903804 is 40830931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1737972 + ... + 1737979.

Almost surely, 2^13903804 is an apocalyptic number.

It is an amenable number.

13903804 is a deficient number, since it is larger than the sum of its proper divisors (10427860).

13903804 is a wasteful number, since it uses less digits than its factorization.

13903804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475955 (or 3475953 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13903804 is about 3728.7804976963. The cubic root of 13903804 is about 240.4609428523.

The spelling of 13903804 in words is "thirteen million, nine hundred three thousand, eight hundred four".