12306317 has 4 divisors (see below), whose sum is σ = 13030236. Its totient is φ = 11582400.

The previous prime is 12306313. The next prime is 12306331. The reversal of 12306317 is 71360321.

It is a happy number.

12306317 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: 71360321 = 5867 ⋅12163.

It can be written as a sum of positive squares in 2 ways, for example, as 4206601 + 8099716 = 2051^2 + 2846^2 .

It is a cyclic number.

It is not a de Polignac number, because 12306317 - 2² = 12306313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12306292 and 12306301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12306313) 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, 361934 + ... + 361967.

It is an arithmetic number, because the mean of its divisors is an integer number (3257559).

Almost surely, 2^12306317 is an apocalyptic number.

12306317 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12306317 is a deficient number, since it is larger than the sum of its proper divisors (723919).

12306317 is an equidigital number, since it uses as much as digits as its factorization.

12306317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723918.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 12306317 is about 3508.0360602480. The cubic root of 12306317 is about 230.8745344168.

Adding to 12306317 its reverse (71360321), we get a palindrome (83666638).

The spelling of 12306317 in words is "twelve million, three hundred six thousand, three hundred seventeen".