12133568 has 28 divisors (see below), whose sum is σ = 24643080. Its totient is φ = 5924352.

The previous prime is 12133547. The next prime is 12133577. The reversal of 12133568 is 86533121.

It is a self number, because there is not a number n which added to its sum of digits gives 12133568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548 + ... + 4956.

It is an arithmetic number, because the mean of its divisors is an integer number (880110).

Almost surely, 2^12133568 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 12133568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12321540).

12133568 is an abundant number, since it is smaller than the sum of its proper divisors (12509512).

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

12133568 is an equidigital number, since it uses as much as digits as its factorization.

12133568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464 (or 4454 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 12133568 is about 3483.3271451301. The cubic root of 12133568 is about 229.7891451300.

Adding to 12133568 its reverse (86533121), we get a palindrome (98666689).

The spelling of 12133568 in words is "twelve million, one hundred thirty-three thousand, five hundred sixty-eight".