12340507 has 2 divisors, whose sum is σ = 12340508. Its totient is φ = 12340506.

The previous prime is 12340469. The next prime is 12340513. The reversal of 12340507 is 70504321.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12340507 is a prime.

It is a super-2 number, since 2×12340507² = 304576226034098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12340547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6170253 + 6170254.

It is an arithmetic number, because the mean of its divisors is an integer number (6170254).

Almost surely, 2^12340507 is an apocalyptic number.

12340507 is a deficient number, since it is larger than the sum of its proper divisors (1).

12340507 is an equidigital number, since it uses as much as digits as its factorization.

12340507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 12340507 is about 3512.9057772733. The cubic root of 12340507 is about 231.0881456179.

Adding to 12340507 its reverse (70504321), we get a palindrome (82844828).

The spelling of 12340507 in words is "twelve million, three hundred forty thousand, five hundred seven".