12313447 has 2 divisors, whose sum is σ = 12313448. Its totient is φ = 12313446.

The previous prime is 12313409. The next prime is 12313451. The reversal of 12313447 is 74431321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12313447 - 2⁷ = 12313319 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12313747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156723 + 6156724.

It is an arithmetic number, because the mean of its divisors is an integer number (6156724).

Almost surely, 2^12313447 is an apocalyptic number.

12313447 is a deficient number, since it is larger than the sum of its proper divisors (1).

12313447 is an equidigital number, since it uses as much as digits as its factorization.

12313447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 12313447 is about 3509.0521512226. The cubic root of 12313447 is about 230.9191136255.

Adding to 12313447 its reverse (74431321), we get a palindrome (86744768).

The spelling of 12313447 in words is "twelve million, three hundred thirteen thousand, four hundred forty-seven".