12282317 has 4 divisors (see below), whose sum is σ = 12291516. Its totient is φ = 12273120.

The previous prime is 12282311. The next prime is 12282331. The reversal of 12282317 is 71328221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3632836 + 8649481 = 1906^2 + 2941^2 .

It is a cyclic number.

It is not a de Polignac number, because 12282317 - 2¹² = 12278221 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 (12282311) 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, 2168 + ... + 5409.

It is an arithmetic number, because the mean of its divisors is an integer number (3072879).

Almost surely, 2^12282317 is an apocalyptic number.

It is an amenable number.

12282317 is a deficient number, since it is larger than the sum of its proper divisors (9199).

12282317 is an equidigital number, since it uses as much as digits as its factorization.

12282317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9198.

The product of its digits is 1344, while the sum is 26.

The square root of 12282317 is about 3504.6136734311. The cubic root of 12282317 is about 230.7243515262.

The spelling of 12282317 in words is "twelve million, two hundred eighty-two thousand, three hundred seventeen".