12317329 has 2 divisors, whose sum is σ = 12317330. Its totient is φ = 12317328.

The previous prime is 12317321. The next prime is 12317341. The reversal of 12317329 is 92371321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9985600 + 2331729 = 3160^2 + 1527^2 .

It is a cyclic number.

It is not a de Polignac number, because 12317329 - 2³ = 12317321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12317297 and 12317306.

It is not a weakly prime, because it can be changed into another prime (12317321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6158664 + 6158665.

It is an arithmetic number, because the mean of its divisors is an integer number (6158665).

Almost surely, 2^12317329 is an apocalyptic number.

It is an amenable number.

12317329 is a deficient number, since it is larger than the sum of its proper divisors (1).

12317329 is an equidigital number, since it uses as much as digits as its factorization.

12317329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 28.

The square root of 12317329 is about 3509.6052484574. The cubic root of 12317329 is about 230.9433779876.

The spelling of 12317329 in words is "twelve million, three hundred seventeen thousand, three hundred twenty-nine".