13803808 has 12 divisors (see below), whose sum is σ = 27176310. Its totient is φ = 6901888.

The previous prime is 13803799. The next prime is 13803827. The reversal of 13803808 is 80830831.

It can be written as a sum of positive squares in only one way, i.e., 10163344 + 3640464 = 3188^2 + 1908^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13803808.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215653 + ... + 215716.

Almost surely, 2^13803808 is an apocalyptic number.

It is an amenable number.

13803808 is a deficient number, since it is larger than the sum of its proper divisors (13372502).

13803808 is an equidigital number, since it uses as much as digits as its factorization.

13803808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431379 (or 431371 counting only the distinct ones).

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

The square root of 13803808 is about 3715.3476284192. The cubic root of 13803808 is about 239.8830912088.

The spelling of 13803808 in words is "thirteen million, eight hundred three thousand, eight hundred eight".