13803868 has 12 divisors (see below), whose sum is σ = 26015080. Its totient is φ = 6370992.

The previous prime is 13803859. The next prime is 13803871. The reversal of 13803868 is 86830831.

It is a super-2 number, since 2×13803868² = 381093543522848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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 in 3 ways as a sum of consecutive naturals, for example, 132678 + ... + 132781.

Almost surely, 2^13803868 is an apocalyptic number.

It is an amenable number.

13803868 is a deficient number, since it is larger than the sum of its proper divisors (12211212).

13803868 is a wasteful number, since it uses less digits than its factorization.

13803868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265476 (or 265474 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 13803868 is about 3715.3557030249. The cubic root of 13803868 is about 239.8834387690.

The spelling of 13803868 in words is "thirteen million, eight hundred three thousand, eight hundred sixty-eight".