12803028 has 24 divisors (see below), whose sum is σ = 34141632. Its totient is φ = 3657984.

The previous prime is 12803009. The next prime is 12803033. The reversal of 12803028 is 82030821.

It is a junction number, because it is equal to n+sod(n) for n = 12802989 and 12803007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76125 + ... + 76292.

It is an arithmetic number, because the mean of its divisors is an integer number (1422568).

Almost surely, 2^12803028 is an apocalyptic number.

It is an amenable number.

12803028 is an abundant number, since it is smaller than the sum of its proper divisors (21338604).

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

12803028 is a wasteful number, since it uses less digits than its factorization.

12803028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152431 (or 152429 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 12803028 is about 3578.1319148405. The cubic root of 12803028 is about 233.9398632813.

Adding to 12803028 its reverse (82030821), we get a palindrome (94833849).

The spelling of 12803028 in words is "twelve million, eight hundred three thousand, twenty-eight".