12656282 has 4 divisors (see below), whose sum is σ = 18984426. Its totient is φ = 6328140.

The previous prime is 12656251. The next prime is 12656291. The reversal of 12656282 is 28265621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6599761 + 6056521 = 2569^2 + 2461^2 .

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 as a sum of consecutive naturals, namely, 3164069 + ... + 3164072.

Almost surely, 2^12656282 is an apocalyptic number.

12656282 is a deficient number, since it is larger than the sum of its proper divisors (6328144).

12656282 is an equidigital number, since it uses as much as digits as its factorization.

12656282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6328143.

The product of its digits is 11520, while the sum is 32.

The square root of 12656282 is about 3557.5668651481. The cubic root of 12656282 is about 233.0426343542.

The spelling of 12656282 in words is "twelve million, six hundred fifty-six thousand, two hundred eighty-two".