13868880 has 40 divisors (see below), whose sum is σ = 42994272. Its totient is φ = 3698304.

The previous prime is 13868863. The next prime is 13868887. The reversal of 13868880 is 8886831.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13868887) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 28654 + ... + 29133.

Almost surely, 2^13868880 is an apocalyptic number.

13868880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13868880 is an abundant number, since it is smaller than the sum of its proper divisors (29125392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13868880 is a wasteful number, since it uses less digits than its factorization.

13868880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57803 (or 57797 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 13868880 is about 3724.0945208198. The cubic root of 13868880 is about 240.2594416629.

The spelling of 13868880 in words is "thirteen million, eight hundred sixty-eight thousand, eight hundred eighty".