13888832 has 56 divisors (see below), whose sum is σ = 29016960. Its totient is φ = 6589440.

The previous prime is 13888817. The next prime is 13888841. The reversal of 13888832 is 23888831.

13888832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 13888832.

It is a congruent number.

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, 175769 + ... + 175847.

It is an arithmetic number, because the mean of its divisors is an integer number (518160).

Almost surely, 2^13888832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13888832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14508480).

13888832 is an abundant number, since it is smaller than the sum of its proper divisors (15128128).

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

13888832 is an equidigital number, since it uses as much as digits as its factorization.

13888832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 189 counting only the distinct ones).

The product of its digits is 73728, while the sum is 41.

The square root of 13888832 is about 3726.7723300465. The cubic root of 13888832 is about 240.3746001922.

Subtracting 13888832 from its reverse (23888831), we obtain a palindrome (9999999).

The spelling of 13888832 in words is "thirteen million, eight hundred eighty-eight thousand, eight hundred thirty-two".