13889832 has 48 divisors (see below), whose sum is σ = 38176320. Its totient is φ = 4208160.

The previous prime is 13889831. The next prime is 13889873. The reversal of 13889832 is 23898831.

13889832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13889831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 513 + ... + 5295.

It is an arithmetic number, because the mean of its divisors is an integer number (795340).

Almost surely, 2^13889832 is an apocalyptic number.

13889832 is a gapful number since it is divisible by the number (12) 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 13889832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19088160).

13889832 is an abundant number, since it is smaller than the sum of its proper divisors (24286488).

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

13889832 is a wasteful number, since it uses less digits than its factorization.

13889832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4814 (or 4799 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 13889832 is about 3726.9064919850. The cubic root of 13889832 is about 240.3803690678.

The spelling of 13889832 in words is "thirteen million, eight hundred eighty-nine thousand, eight hundred thirty-two".