12317671 has 4 divisors (see below), whose sum is σ = 12618144. Its totient is φ = 12017200.

The previous prime is 12317647. The next prime is 12317693. The reversal of 12317671 is 17671321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17671321 = 463 ⋅38167.

It is a cyclic number.

It is not a de Polignac number, because 12317671 - 2²³ = 3929063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12317471) 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, 150175 + ... + 150256.

It is an arithmetic number, because the mean of its divisors is an integer number (3154536).

Almost surely, 2^12317671 is an apocalyptic number.

12317671 is a deficient number, since it is larger than the sum of its proper divisors (300473).

12317671 is an equidigital number, since it uses as much as digits as its factorization.

12317671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300472.

The product of its digits is 1764, while the sum is 28.

The square root of 12317671 is about 3509.6539715476. The cubic root of 12317671 is about 230.9455154073.

Adding to 12317671 its reverse (17671321), we get a palindrome (29988992).

The spelling of 12317671 in words is "twelve million, three hundred seventeen thousand, six hundred seventy-one".