12682644 has 24 divisors (see below), whose sum is σ = 31869600. Its totient is φ = 3902304.

The previous prime is 12682643. The next prime is 12682651. The reversal of 12682644 is 44628621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12682643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40494 + ... + 40805.

It is an arithmetic number, because the mean of its divisors is an integer number (1327900).

Almost surely, 2^12682644 is an apocalyptic number.

It is an amenable number.

12682644 is an abundant number, since it is smaller than the sum of its proper divisors (19186956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12682644 is a wasteful number, since it uses less digits than its factorization.

12682644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81319 (or 81317 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 12682644 is about 3561.2699981888. The cubic root of 12682644 is about 233.2043250573.

The spelling of 12682644 in words is "twelve million, six hundred eighty-two thousand, six hundred forty-four".