12045317 has 2 divisors, whose sum is σ = 12045318. Its totient is φ = 12045316.

The previous prime is 12045277. The next prime is 12045343. The reversal of 12045317 is 71354021.

12045317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10233601 + 1811716 = 3199^2 + 1346^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12045317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12045292 and 12045301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12045347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6022658 + 6022659.

It is an arithmetic number, because the mean of its divisors is an integer number (6022659).

Almost surely, 2^12045317 is an apocalyptic number.

It is an amenable number.

12045317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12045317 is an equidigital number, since it uses as much as digits as its factorization.

12045317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 12045317 is about 3470.6363969739. The cubic root of 12045317 is about 229.2306810186.

Adding to 12045317 its reverse (71354021), we get a palindrome (83399338).

The spelling of 12045317 in words is "twelve million, forty-five thousand, three hundred seventeen".