12160171 has 4 divisors (see below), whose sum is σ = 12800200. Its totient is φ = 11520144.

The previous prime is 12160147. The next prime is 12160177. The reversal of 12160171 is 17106121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17106121 = 53 ⋅322757.

It is a cyclic number.

It is not a de Polignac number, because 12160171 - 2⁵ = 12160139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 640009 = 12160171 / (1 + 2 + 1 + 6 + 0 + 1 + 7 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12160177) 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 in 3 ways as a sum of consecutive naturals, for example, 319986 + ... + 320023.

It is an arithmetic number, because the mean of its divisors is an integer number (3200050).

Almost surely, 2^12160171 is an apocalyptic number.

12160171 is a deficient number, since it is larger than the sum of its proper divisors (640029).

12160171 is an equidigital number, since it uses as much as digits as its factorization.

12160171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640028.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 12160171 is about 3487.1436735529. The cubic root of 12160171 is about 229.9569610709.

Adding to 12160171 its reverse (17106121), we get a palindrome (29266292).

The spelling of 12160171 in words is "twelve million, one hundred sixty thousand, one hundred seventy-one".