12285656 has 16 divisors (see below), whose sum is σ = 23380440. Its totient is φ = 6050880.

The previous prime is 12285653. The next prime is 12285661. The reversal of 12285656 is 65658221.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12285653) 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, 10925 + ... + 11996.

Almost surely, 2^12285656 is an apocalyptic number.

It is an amenable number.

12285656 is a deficient number, since it is larger than the sum of its proper divisors (11094784).

12285656 is a wasteful number, since it uses less digits than its factorization.

12285656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22994 (or 22990 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 12285656 is about 3505.0900131095. The cubic root of 12285656 is about 230.7452574299.

The spelling of 12285656 in words is "twelve million, two hundred eighty-five thousand, six hundred fifty-six".