12126307 has 2 divisors, whose sum is σ = 12126308. Its totient is φ = 12126306.

The previous prime is 12126299. The next prime is 12126319. The reversal of 12126307 is 70362121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12126307 - 2³ = 12126299 is a prime.

It is not a weakly prime, because it can be changed into another prime (12126407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6063153 + 6063154.

It is an arithmetic number, because the mean of its divisors is an integer number (6063154).

Almost surely, 2^12126307 is an apocalyptic number.

12126307 is a deficient number, since it is larger than the sum of its proper divisors (1).

12126307 is an equidigital number, since it uses as much as digits as its factorization.

12126307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 12126307 is about 3482.2847385014. The cubic root of 12126307 is about 229.7432989860.

Adding to 12126307 its reverse (70362121), we get a palindrome (82488428).

The spelling of 12126307 in words is "twelve million, one hundred twenty-six thousand, three hundred seven".