12001568 has 12 divisors (see below), whose sum is σ = 23628150. Its totient is φ = 6000768.

The previous prime is 12001553. The next prime is 12001571. The reversal of 12001568 is 86510021.

It can be written as a sum of positive squares in only one way, i.e., 11916304 + 85264 = 3452^2 + 292^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187493 + ... + 187556.

Almost surely, 2^12001568 is an apocalyptic number.

It is an amenable number.

12001568 is a deficient number, since it is larger than the sum of its proper divisors (11626582).

12001568 is an equidigital number, since it uses as much as digits as its factorization.

12001568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375059 (or 375051 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 12001568 is about 3464.3279290506. The cubic root of 12001568 is about 228.9528198093.

Adding to 12001568 its reverse (86510021), we get a palindrome (98511589).

The spelling of 12001568 in words is "twelve million, one thousand, five hundred sixty-eight".