12432317 has 2 divisors, whose sum is σ = 12432318. Its totient is φ = 12432316.

The previous prime is 12432311. The next prime is 12432323. The reversal of 12432317 is 71323421.

It is a balanced prime because it is at equal distance from previous prime (12432311) and next prime (12432323).

It can be written as a sum of positive squares in only one way, i.e., 9572836 + 2859481 = 3094^2 + 1691^2 .

It is a cyclic number.

It is not a de Polignac number, because 12432317 - 2¹⁸ = 12170173 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12432292 and 12432301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12432311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6216158 + 6216159.

It is an arithmetic number, because the mean of its divisors is an integer number (6216159).

Almost surely, 2^12432317 is an apocalyptic number.

It is an amenable number.

12432317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12432317 is an equidigital number, since it uses as much as digits as its factorization.

12432317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 23.

The square root of 12432317 is about 3525.9490920885. The cubic root of 12432317 is about 231.6598078354.

Adding to 12432317 its reverse (71323421), we get a palindrome (83755738).

The spelling of 12432317 in words is "twelve million, four hundred thirty-two thousand, three hundred seventeen".