12045568 has 36 divisors (see below), whose sum is σ = 24266368. Its totient is φ = 5967360.

The previous prime is 12045521. The next prime is 12045589. The reversal of 12045568 is 86554021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53905 + ... + 54127.

Almost surely, 2^12045568 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 12045568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12133184).

12045568 is an abundant number, since it is smaller than the sum of its proper divisors (12220800).

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

12045568 is an equidigital number, since it uses as much as digits as its factorization.

12045568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 12045568 is about 3470.6725573007. The cubic root of 12045568 is about 229.2322732419.

Adding to 12045568 its reverse (86554021), we get a palindrome (98599589).

The spelling of 12045568 in words is "twelve million, forty-five thousand, five hundred sixty-eight".