12684127 has 2 divisors, whose sum is σ = 12684128. Its totient is φ = 12684126.

The previous prime is 12684103. The next prime is 12684163. The reversal of 12684127 is 72148621.

It is a weak prime.

It is an emirp because it is prime and its reverse (72148621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12684127 - 2⁷ = 12683999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12684197) 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 as a sum of consecutive naturals, namely, 6342063 + 6342064.

It is an arithmetic number, because the mean of its divisors is an integer number (6342064).

Almost surely, 2^12684127 is an apocalyptic number.

12684127 is a deficient number, since it is larger than the sum of its proper divisors (1).

12684127 is an equidigital number, since it uses as much as digits as its factorization.

12684127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 31.

The square root of 12684127 is about 3561.4782043416. The cubic root of 12684127 is about 233.2134143433.

The spelling of 12684127 in words is "twelve million, six hundred eighty-four thousand, one hundred twenty-seven".