12802225 has 12 divisors (see below), whose sum is σ = 16387840. Its totient is φ = 9910800.

The previous prime is 12802213. The next prime is 12802243. The reversal of 12802225 is 52220821.

It is not a de Polignac number, because 12802225 - 2⁵ = 12802193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12802196 and 12802205.

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 11 ways as a sum of consecutive naturals, for example, 7485 + ... + 9034.

Almost surely, 2^12802225 is an apocalyptic number.

It is an amenable number.

12802225 is a deficient number, since it is larger than the sum of its proper divisors (3585615).

12802225 is a wasteful number, since it uses less digits than its factorization.

12802225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16560 (or 16555 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 12802225 is about 3578.0197036909. The cubic root of 12802225 is about 233.9349723123.

The spelling of 12802225 in words is "twelve million, eight hundred two thousand, two hundred twenty-five".