12818272 has 24 divisors (see below), whose sum is σ = 26721576. Its totient is φ = 6031872.

The previous prime is 12818249. The next prime is 12818297. The reversal of 12818272 is 27281821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11238 + ... + 12325.

It is an arithmetic number, because the mean of its divisors is an integer number (1113399).

Almost surely, 2^12818272 is an apocalyptic number.

It is an amenable number.

12818272 is an abundant number, since it is smaller than the sum of its proper divisors (13903304).

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

12818272 is a wasteful number, since it uses less digits than its factorization.

12818272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23590 (or 23582 counting only the distinct ones).

The product of its digits is 3584, while the sum is 31.

The square root of 12818272 is about 3580.2614429675. The cubic root of 12818272 is about 234.0326737437.

The spelling of 12818272 in words is "twelve million, eight hundred eighteen thousand, two hundred seventy-two".