12731743 has 2 divisors, whose sum is σ = 12731744. Its totient is φ = 12731742.

The previous prime is 12731723. The next prime is 12731753. The reversal of 12731743 is 34713721.

12731743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12731743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12731723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6365871 + 6365872.

It is an arithmetic number, because the mean of its divisors is an integer number (6365872).

Almost surely, 2^12731743 is an apocalyptic number.

12731743 is a deficient number, since it is larger than the sum of its proper divisors (1).

12731743 is an equidigital number, since it uses as much as digits as its factorization.

12731743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 28.

The square root of 12731743 is about 3568.1568070924. The cubic root of 12731743 is about 233.5048763477.

The spelling of 12731743 in words is "twelve million, seven hundred thirty-one thousand, seven hundred forty-three".