12457307 has 2 divisors, whose sum is σ = 12457308. Its totient is φ = 12457306.

The previous prime is 12457301. The next prime is 12457309. The reversal of 12457307 is 70375421.

It is a strong prime.

It is an emirp because it is prime and its reverse (70375421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12457307 - 2⁸ = 12457051 is a prime.

Together with 12457309, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12457307.

It is not a weakly prime, because it can be changed into another prime (12457301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6228653 + 6228654.

It is an arithmetic number, because the mean of its divisors is an integer number (6228654).

Almost surely, 2^12457307 is an apocalyptic number.

12457307 is a deficient number, since it is larger than the sum of its proper divisors (1).

12457307 is an equidigital number, since it uses as much as digits as its factorization.

12457307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 12457307 is about 3529.4910397960. The cubic root of 12457307 is about 231.8149224991.

The spelling of 12457307 in words is "twelve million, four hundred fifty-seven thousand, three hundred seven".