12746687 has 2 divisors, whose sum is σ = 12746688. Its totient is φ = 12746686.

The previous prime is 12746681. The next prime is 12746711. The reversal of 12746687 is 78664721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12746687 - 2¹⁴ = 12730303 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12746681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6373343 + 6373344.

It is an arithmetic number, because the mean of its divisors is an integer number (6373344).

Almost surely, 2^12746687 is an apocalyptic number.

12746687 is a deficient number, since it is larger than the sum of its proper divisors (1).

12746687 is an equidigital number, since it uses as much as digits as its factorization.

12746687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 41.

The square root of 12746687 is about 3570.2502713395. The cubic root of 12746687 is about 233.5962001223.

The spelling of 12746687 in words is "twelve million, seven hundred forty-six thousand, six hundred eighty-seven".