12684163 has 2 divisors, whose sum is σ = 12684164. Its totient is φ = 12684162.

The previous prime is 12684127. The next prime is 12684179. The reversal of 12684163 is 36148621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12684163 - 2⁹ = 12683651 is a prime.

It is not a weakly prime, because it can be changed into another prime (12684103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6342081 + 6342082.

It is an arithmetic number, because the mean of its divisors is an integer number (6342082).

Almost surely, 2^12684163 is an apocalyptic number.

12684163 is a deficient number, since it is larger than the sum of its proper divisors (1).

12684163 is an equidigital number, since it uses as much as digits as its factorization.

12684163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 12684163 is about 3561.4832584192. The cubic root of 12684163 is about 233.2136349780.

The spelling of 12684163 in words is "twelve million, six hundred eighty-four thousand, one hundred sixty-three".