12171163 has 4 divisors (see below), whose sum is σ = 12700368. Its totient is φ = 11641960.

The previous prime is 12171161. The next prime is 12171179. The reversal of 12171163 is 36117121.

12171163 is digitally balanced in base 3, 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 an emirpimes, since its reverse is a distinct semiprime: 36117121 = 499 ⋅72379.

It is a cyclic number.

It is not a de Polignac number, because 12171163 - 2¹ = 12171161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12171161) 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, 264568 + ... + 264613.

It is an arithmetic number, because the mean of its divisors is an integer number (3175092).

Almost surely, 2^12171163 is an apocalyptic number.

12171163 is a deficient number, since it is larger than the sum of its proper divisors (529205).

12171163 is an equidigital number, since it uses as much as digits as its factorization.

12171163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529204.

The product of its digits is 252, while the sum is 22.

The square root of 12171163 is about 3488.7193925565. The cubic root of 12171163 is about 230.0262288928.

Adding to 12171163 its reverse (36117121), we get a palindrome (48288284).

The spelling of 12171163 in words is "twelve million, one hundred seventy-one thousand, one hundred sixty-three".