12313451 has 2 divisors, whose sum is σ = 12313452. Its totient is φ = 12313450.

The previous prime is 12313447. The next prime is 12313513. The reversal of 12313451 is 15431321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12313451 - 2² = 12313447 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (12313751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156725 + 6156726.

It is an arithmetic number, because the mean of its divisors is an integer number (6156726).

Almost surely, 2^12313451 is an apocalyptic number.

12313451 is a deficient number, since it is larger than the sum of its proper divisors (1).

12313451 is an equidigital number, since it uses as much as digits as its factorization.

12313451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 20.

The square root of 12313451 is about 3509.0527211770. The cubic root of 12313451 is about 230.9191386300.

Adding to 12313451 its reverse (15431321), we get a palindrome (27744772).

The spelling of 12313451 in words is "twelve million, three hundred thirteen thousand, four hundred fifty-one".