12393743 has 2 divisors, whose sum is σ = 12393744. Its totient is φ = 12393742.

The previous prime is 12393739. The next prime is 12393791. The reversal of 12393743 is 34739321.

It is a weak prime.

It is an emirp because it is prime and its reverse (34739321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12393743 - 2² = 12393739 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12393443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6196871 + 6196872.

It is an arithmetic number, because the mean of its divisors is an integer number (6196872).

Almost surely, 2^12393743 is an apocalyptic number.

12393743 is a deficient number, since it is larger than the sum of its proper divisors (1).

12393743 is an equidigital number, since it uses as much as digits as its factorization.

12393743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 32.

The square root of 12393743 is about 3520.4748259290. The cubic root of 12393743 is about 231.4199677636.

The spelling of 12393743 in words is "twelve million, three hundred ninety-three thousand, seven hundred forty-three".