12933028 has 6 divisors (see below), whose sum is σ = 22632806. Its totient is φ = 6466512.

The previous prime is 12933013. The next prime is 12933031. The reversal of 12933028 is 82033921.

12933028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10036224 + 2896804 = 3168^2 + 1702^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12932987 and 12933005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1616625 + ... + 1616632.

Almost surely, 2^12933028 is an apocalyptic number.

It is an amenable number.

12933028 is a deficient number, since it is larger than the sum of its proper divisors (9699778).

12933028 is a wasteful number, since it uses less digits than its factorization.

12933028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233261 (or 3233259 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 12933028 is about 3596.2519377819. The cubic root of 12933028 is about 234.7289949726.

Adding to 12933028 its reverse (82033921), we get a palindrome (94966949).

The spelling of 12933028 in words is "twelve million, nine hundred thirty-three thousand, twenty-eight".