12660244 has 24 divisors (see below), whose sum is σ = 22675968. Its totient is φ = 6183360.

The previous prime is 12660229. The next prime is 12660283. The reversal of 12660244 is 44206621.

It is a congruent number.

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, 55659 + ... + 55885.

It is an arithmetic number, because the mean of its divisors is an integer number (944832).

Almost surely, 2^12660244 is an apocalyptic number.

It is an amenable number.

12660244 is a deficient number, since it is larger than the sum of its proper divisors (10015724).

12660244 is a wasteful number, since it uses less digits than its factorization.

12660244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 12660244 is about 3558.1236628313. The cubic root of 12660244 is about 233.0669495147.

Adding to 12660244 its reverse (44206621), we get a palindrome (56866865).

The spelling of 12660244 in words is "twelve million, six hundred sixty thousand, two hundred forty-four".