12825556 has 12 divisors (see below), whose sum is σ = 22487668. Its totient is φ = 6400512.

The previous prime is 12825517. The next prime is 12825557. The reversal of 12825556 is 65552821.

12825556 is nontrivially palindromic in base 5.

It can be written as a sum of positive squares in 2 ways, for example, as 12489156 + 336400 = 3534^2 + 580^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12825557) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 471 + ... + 5086.

Almost surely, 2^12825556 is an apocalyptic number.

It is an amenable number.

12825556 is a deficient number, since it is larger than the sum of its proper divisors (9662112).

12825556 is a wasteful number, since it uses less digits than its factorization.

12825556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6138 (or 6136 counting only the distinct ones).

The product of its digits is 24000, while the sum is 34.

The square root of 12825556 is about 3581.2785426437. The cubic root of 12825556 is about 234.0769951415.

The spelling of 12825556 in words is "twelve million, eight hundred twenty-five thousand, five hundred fifty-six".