12407243 has 2 divisors, whose sum is σ = 12407244. Its totient is φ = 12407242.

The previous prime is 12407237. The next prime is 12407251. The reversal of 12407243 is 34270421.

It is a weak prime.

It is an emirp because it is prime and its reverse (34270421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12407243 - 2⁸ = 12406987 is a prime.

It is a super-2 number, since 2×12407243² = 307879357722098, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12407203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6203621 + 6203622.

It is an arithmetic number, because the mean of its divisors is an integer number (6203622).

Almost surely, 2^12407243 is an apocalyptic number.

12407243 is a deficient number, since it is larger than the sum of its proper divisors (1).

12407243 is an equidigital number, since it uses as much as digits as its factorization.

12407243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 12407243 is about 3522.3916590862. The cubic root of 12407243 is about 231.5039627253.

Adding to 12407243 its reverse (34270421), we get a palindrome (46677664).

The spelling of 12407243 in words is "twelve million, four hundred seven thousand, two hundred forty-three".