12157163 has 4 divisors (see below), whose sum is σ = 12167688. Its totient is φ = 12146640.

The previous prime is 12157153. The next prime is 12157199. The reversal of 12157163 is 36175121.

12157163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12157163 - 2⁴ = 12157147 is a prime.

It is a super-2 number, since 2×12157163² = 295593224417138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12157153) 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, 3281 + ... + 5922.

It is an arithmetic number, because the mean of its divisors is an integer number (3041922).

Almost surely, 2^12157163 is an apocalyptic number.

12157163 is a deficient number, since it is larger than the sum of its proper divisors (10525).

12157163 is an equidigital number, since it uses as much as digits as its factorization.

12157163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10524.

The product of its digits is 1260, while the sum is 26.

The square root of 12157163 is about 3486.7123483304. The cubic root of 12157163 is about 229.9379984105.

The spelling of 12157163 in words is "twelve million, one hundred fifty-seven thousand, one hundred sixty-three".