12499568 has 20 divisors (see below), whose sum is σ = 25493160. Its totient is φ = 5920704.

The previous prime is 12499561. The next prime is 12499577. The reversal of 12499568 is 86599421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12499561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20255 + ... + 20862.

It is an arithmetic number, because the mean of its divisors is an integer number (1274658).

Almost surely, 2^12499568 is an apocalyptic number.

It is an amenable number.

12499568 is an abundant number, since it is smaller than the sum of its proper divisors (12993592).

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

12499568 is a wasteful number, since it uses less digits than its factorization.

12499568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41144 (or 41138 counting only the distinct ones).

The product of its digits is 155520, while the sum is 44.

The square root of 12499568 is about 3535.4728113790. The cubic root of 12499568 is about 232.0767680947.

The spelling of 12499568 in words is "twelve million, four hundred ninety-nine thousand, five hundred sixty-eight".