13881360 has 40 divisors (see below), whose sum is σ = 43032960. Its totient is φ = 3701632.

The previous prime is 13881337. The next prime is 13881377. The reversal of 13881360 is 6318831.

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

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28680 + ... + 29159.

It is an arithmetic number, because the mean of its divisors is an integer number (1075824).

Almost surely, 2^13881360 is an apocalyptic number.

13881360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13881360 is an abundant number, since it is smaller than the sum of its proper divisors (29151600).

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

13881360 is a wasteful number, since it uses less digits than its factorization.

13881360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57855 (or 57849 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 13881360 is about 3725.7697191319. The cubic root of 13881360 is about 240.3314863869.

It can be divided in two parts, 13881 and 360, that added together give a palindrome (14241).

The spelling of 13881360 in words is "thirteen million, eight hundred eighty-one thousand, three hundred sixty".