12445888 has 56 divisors (see below), whose sum is σ = 30410912. Its totient is φ = 4921344.

The previous prime is 12445883. The next prime is 12445889. The reversal of 12445888 is 88854421.

12445888 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 12445888.

It is not an unprimeable number, because it can be changed into a prime (12445883) 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, 4756 + ... + 6892.

It is an arithmetic number, because the mean of its divisors is an integer number (543052).

Almost surely, 2^12445888 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 12445888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15205456).

12445888 is an abundant number, since it is smaller than the sum of its proper divisors (17965024).

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

12445888 is a wasteful number, since it uses less digits than its factorization.

12445888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169 (or 2159 counting only the distinct ones).

The product of its digits is 81920, while the sum is 40.

The square root of 12445888 is about 3527.8730135876. The cubic root of 12445888 is about 231.7440697369.

The spelling of 12445888 in words is "twelve million, four hundred forty-five thousand, eight hundred eighty-eight".