12686627 has 2 divisors, whose sum is σ = 12686628. Its totient is φ = 12686626.

The previous prime is 12686599. The next prime is 12686629. The reversal of 12686627 is 72668621.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (72668621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12686627 is a prime.

Together with 12686629, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12686629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6343313 + 6343314.

It is an arithmetic number, because the mean of its divisors is an integer number (6343314).

Almost surely, 2^12686627 is an apocalyptic number.

12686627 is a deficient number, since it is larger than the sum of its proper divisors (1).

12686627 is an equidigital number, since it uses as much as digits as its factorization.

12686627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 12686627 is about 3561.8291649095. The cubic root of 12686627 is about 233.2287352042.

The spelling of 12686627 in words is "twelve million, six hundred eighty-six thousand, six hundred twenty-seven".