12303171 has 20 divisors (see below), whose sum is σ = 18497512. Its totient is φ = 8149248.

The previous prime is 12303169. The next prime is 12303197. The reversal of 12303171 is 17130321.

It is not a de Polignac number, because 12303171 - 2¹ = 12303169 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12303131) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15240 + ... + 16026.

Almost surely, 2^12303171 is an apocalyptic number.

12303171 is a deficient number, since it is larger than the sum of its proper divisors (6194341).

12303171 is an equidigital number, since it uses as much as digits as its factorization.

12303171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 12303171 is about 3507.5876325475. The cubic root of 12303171 is about 230.8548590693.

Adding to 12303171 its reverse (17130321), we get a palindrome (29433492).

The spelling of 12303171 in words is "twelve million, three hundred three thousand, one hundred seventy-one".