12798028 has 12 divisors (see below), whose sum is σ = 23370480. Its totient is φ = 6120752.

The previous prime is 12798007. The next prime is 12798029. The reversal of 12798028 is 82089721.

It is not an unprimeable number, because it can be changed into a prime (12798029) 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, 69463 + ... + 69646.

It is an arithmetic number, because the mean of its divisors is an integer number (1947540).

Almost surely, 2^12798028 is an apocalyptic number.

It is an amenable number.

12798028 is a deficient number, since it is larger than the sum of its proper divisors (10572452).

12798028 is a wasteful number, since it uses less digits than its factorization.

12798028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139136 (or 139134 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 12798028 is about 3577.4331580059. The cubic root of 12798028 is about 233.9094056005.

The spelling of 12798028 in words is "twelve million, seven hundred ninety-eight thousand, twenty-eight".