12081568 has 48 divisors (see below), whose sum is σ = 25885440. Its totient is φ = 5529600.

The previous prime is 12081551. The next prime is 12081583. The reversal of 12081568 is 86518021.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 18528 + ... + 19168.

It is an arithmetic number, because the mean of its divisors is an integer number (539280).

Almost surely, 2^12081568 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 12081568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12942720).

12081568 is an abundant number, since it is smaller than the sum of its proper divisors (13803872).

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

12081568 is a wasteful number, since it uses less digits than its factorization.

12081568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 12081568 is about 3475.8550027295. The cubic root of 12081568 is about 229.4604112125.

Adding to 12081568 its reverse (86518021), we get a palindrome (98599589).

The spelling of 12081568 in words is "twelve million, eighty-one thousand, five hundred sixty-eight".