13881208 has 32 divisors (see below), whose sum is σ = 28557360. Its totient is φ = 6273280.

The previous prime is 13881193. The next prime is 13881209. The reversal of 13881208 is 80218831.

It is a super-3 number, since 3×13881208³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13881208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13881209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20166 + ... + 20842.

Almost surely, 2^13881208 is an apocalyptic number.

It is an amenable number.

13881208 is an abundant number, since it is smaller than the sum of its proper divisors (14676152).

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

13881208 is a wasteful number, since it uses less digits than its factorization.

13881208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927 (or 923 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 13881208 is about 3725.7493206065. The cubic root of 13881208 is about 240.3306091789.

The spelling of 13881208 in words is "thirteen million, eight hundred eighty-one thousand, two hundred eight".