12306743 has 2 divisors, whose sum is σ = 12306744. Its totient is φ = 12306742.

The previous prime is 12306739. The next prime is 12306769. The reversal of 12306743 is 34760321.

It is an a-pointer prime, because the next prime (12306769) can be obtained adding 12306743 to its sum of digits (26).

It is a weak prime.

It is an emirp because it is prime and its reverse (34760321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12306743 - 2² = 12306739 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12306443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6153371 + 6153372.

It is an arithmetic number, because the mean of its divisors is an integer number (6153372).

Almost surely, 2^12306743 is an apocalyptic number.

12306743 is a deficient number, since it is larger than the sum of its proper divisors (1).

12306743 is an equidigital number, since it uses as much as digits as its factorization.

12306743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 12306743 is about 3508.0967774564. The cubic root of 12306743 is about 230.8771983986.

The spelling of 12306743 in words is "twelve million, three hundred six thousand, seven hundred forty-three".