12306137 has 2 divisors, whose sum is σ = 12306138. Its totient is φ = 12306136.

The previous prime is 12306061. The next prime is 12306139. The reversal of 12306137 is 73160321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8128201 + 4177936 = 2851^2 + 2044^2 .

It is a cyclic number.

It is not a de Polignac number, because 12306137 - 2¹⁰ = 12305113 is a prime.

Together with 12306139, 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 (12306139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6153068 + 6153069.

It is an arithmetic number, because the mean of its divisors is an integer number (6153069).

Almost surely, 2^12306137 is an apocalyptic number.

It is an amenable number.

12306137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12306137 is an equidigital number, since it uses as much as digits as its factorization.

12306137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 12306137 is about 3508.0104047736. The cubic root of 12306137 is about 230.8734087721.

Adding to 12306137 its reverse (73160321), we get a palindrome (85466458).

The spelling of 12306137 in words is "twelve million, three hundred six thousand, one hundred thirty-seven".