12308507 has 2 divisors, whose sum is σ = 12308508. Its totient is φ = 12308506.

The previous prime is 12308467. The next prime is 12308509. The reversal of 12308507 is 70580321.

12308507 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12308507 - 2²² = 8114203 is a prime.

Together with 12308509, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12308509) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6154253 + 6154254.

It is an arithmetic number, because the mean of its divisors is an integer number (6154254).

Almost surely, 2^12308507 is an apocalyptic number.

12308507 is a deficient number, since it is larger than the sum of its proper divisors (1).

12308507 is an equidigital number, since it uses as much as digits as its factorization.

12308507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 12308507 is about 3508.3481868252. The cubic root of 12308507 is about 230.8882288806. Note that the first 3 decimals are identical.

Adding to 12308507 its reverse (70580321), we get a palindrome (82888828).

The spelling of 12308507 in words is "twelve million, three hundred eight thousand, five hundred seven".