12453888 has 48 divisors (see below), whose sum is σ = 33218640. Its totient is φ = 4149248.

The previous prime is 12453869. The next prime is 12453899. The reversal of 12453888 is 88835421.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5131 + ... + 7157.

It is an arithmetic number, because the mean of its divisors is an integer number (692055).

Almost surely, 2^12453888 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 12453888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16609320).

12453888 is an abundant number, since it is smaller than the sum of its proper divisors (20764752).

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

12453888 is an equidigital number, since it uses as much as digits as its factorization.

12453888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052 (or 2032 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The square root of 12453888 is about 3529.0066591039. The cubic root of 12453888 is about 231.7937127855.

The spelling of 12453888 in words is "twelve million, four hundred fifty-three thousand, eight hundred eighty-eight".