13804881 has 16 divisors (see below), whose sum is σ = 18836544. Its totient is φ = 8990784.

The previous prime is 13804859. The next prime is 13804883. The reversal of 13804881 is 18840831.

It is a happy number.

It is not a de Polignac number, because 13804881 - 2⁷ = 13804753 is a prime.

It is a super-2 number, since 2×13804881² = 381149478848322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13804883) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 34575 + ... + 34971.

It is an arithmetic number, because the mean of its divisors is an integer number (1177284).

Almost surely, 2^13804881 is an apocalyptic number.

It is an amenable number.

13804881 is a deficient number, since it is larger than the sum of its proper divisors (5031663).

13804881 is a wasteful number, since it uses less digits than its factorization.

13804881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 13804881 is about 3715.4920266366. The cubic root of 13804881 is about 239.8893065924.

The spelling of 13804881 in words is "thirteen million, eight hundred four thousand, eight hundred eighty-one".