12687682 has 8 divisors (see below), whose sum is σ = 21750336. Its totient is φ = 5437572.

The previous prime is 12687679. The next prime is 12687683. The reversal of 12687682 is 28678621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12687683) 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, 453118 + ... + 453145.

It is an arithmetic number, because the mean of its divisors is an integer number (2718792).

Almost surely, 2^12687682 is an apocalyptic number.

12687682 is a deficient number, since it is larger than the sum of its proper divisors (9062654).

12687682 is an equidigital number, since it uses as much as digits as its factorization.

12687682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906272.

The product of its digits is 64512, while the sum is 40.

The square root of 12687682 is about 3561.9772598937. The cubic root of 12687682 is about 233.2352000036.

The spelling of 12687682 in words is "twelve million, six hundred eighty-seven thousand, six hundred eighty-two".