12340317 has 16 divisors (see below), whose sum is σ = 19006272. Its totient is φ = 7038720.

The previous prime is 12340313. The next prime is 12340343. The reversal of 12340317 is 71304321.

It is not a de Polignac number, because 12340317 - 2² = 12340313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12340293 and 12340302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340313) 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 15 ways as a sum of consecutive naturals, for example, 10438 + ... + 11559.

It is an arithmetic number, because the mean of its divisors is an integer number (1187892).

Almost surely, 2^12340317 is an apocalyptic number.

12340317 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12340317 is a deficient number, since it is larger than the sum of its proper divisors (6665955).

12340317 is a wasteful number, since it uses less digits than its factorization.

12340317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22028.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 12340317 is about 3512.8787340300. The cubic root of 12340317 is about 231.0869596328.

Adding to 12340317 its reverse (71304321), we get a palindrome (83644638).

It can be divided in two parts, 12 and 340317, that multiplied together give a palindrome (4083804).

The spelling of 12340317 in words is "twelve million, three hundred forty thousand, three hundred seventeen".