12821168 has 20 divisors (see below), whose sum is σ = 25076520. Its totient is φ = 6349824.

The previous prime is 12821153. The next prime is 12821227. The reversal of 12821168 is 86112821.

It is a self number, because there is not a number n which added to its sum of digits gives 12821168.

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, 2033 + ... + 5456.

It is an arithmetic number, because the mean of its divisors is an integer number (1253826).

Almost surely, 2^12821168 is an apocalyptic number.

It is an amenable number.

12821168 is a deficient number, since it is larger than the sum of its proper divisors (12255352).

12821168 is a wasteful number, since it uses less digits than its factorization.

12821168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7604 (or 7598 counting only the distinct ones).

The product of its digits is 1536, while the sum is 29.

The square root of 12821168 is about 3580.6658598646. The cubic root of 12821168 is about 234.0502972213.

Adding to 12821168 its reverse (86112821), we get a palindrome (98933989).

The spelling of 12821168 in words is "twelve million, eight hundred twenty-one thousand, one hundred sixty-eight".