12657163 has 4 divisors (see below), whose sum is σ = 13401720. Its totient is φ = 11912608.

The previous prime is 12657131. The next prime is 12657167. The reversal of 12657163 is 36175621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12657163 - 2⁵ = 12657131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12657167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372253 + ... + 372286.

It is an arithmetic number, because the mean of its divisors is an integer number (3350430).

Almost surely, 2^12657163 is an apocalyptic number.

12657163 is a deficient number, since it is larger than the sum of its proper divisors (744557).

12657163 is an equidigital number, since it uses as much as digits as its factorization.

12657163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744556.

The product of its digits is 7560, while the sum is 31.

The square root of 12657163 is about 3557.6906835755. The cubic root of 12657163 is about 233.0480415714.

The spelling of 12657163 in words is "twelve million, six hundred fifty-seven thousand, one hundred sixty-three".