12682756 has 6 divisors (see below), whose sum is σ = 22194830. Its totient is φ = 6341376.

The previous prime is 12682727. The next prime is 12682757. The reversal of 12682756 is 65728621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12489156 + 193600 = 3534^2 + 440^2 .

It is not an unprimeable number, because it can be changed into a prime (12682757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1585341 + ... + 1585348.

Almost surely, 2^12682756 is an apocalyptic number.

It is an amenable number.

12682756 is a deficient number, since it is larger than the sum of its proper divisors (9512074).

12682756 is a wasteful number, since it uses less digits than its factorization.

12682756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170693 (or 3170691 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 12682756 is about 3561.2857228816. The cubic root of 12682756 is about 233.2050115285.

The spelling of 12682756 in words is "twelve million, six hundred eighty-two thousand, seven hundred fifty-six".