13891360 has 96 divisors (see below), whose sum is σ = 38223360. Its totient is φ = 4672512.

The previous prime is 13891357. The next prime is 13891399. The reversal of 13891360 is 6319831.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 88402 + ... + 88558.

It is an arithmetic number, because the mean of its divisors is an integer number (398160).

Almost surely, 2^13891360 is an apocalyptic number.

13891360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13891360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19111680).

13891360 is an abundant number, since it is smaller than the sum of its proper divisors (24332000).

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

13891360 is a wasteful number, since it uses less digits than its factorization.

13891360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 13891360 is about 3727.1114820998. Note that the first 3 decimals coincide. The cubic root of 13891360 is about 240.3891833749.

The spelling of 13891360 in words is "thirteen million, eight hundred ninety-one thousand, three hundred sixty".