12680286 has 16 divisors (see below), whose sum is σ = 25739904. Its totient is φ = 4163544.

The previous prime is 12680281. The next prime is 12680287. The reversal of 12680286 is 68208621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12680281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15370 + ... + 16173.

It is an arithmetic number, because the mean of its divisors is an integer number (1608744).

Almost surely, 2^12680286 is an apocalyptic number.

12680286 is an abundant number, since it is smaller than the sum of its proper divisors (13059618).

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

12680286 is a wasteful number, since it uses less digits than its factorization.

12680286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31615.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 12680286 is about 3560.9389211274. The cubic root of 12680286 is about 233.1898714496.

The spelling of 12680286 in words is "twelve million, six hundred eighty thousand, two hundred eighty-six".