11427743 has 2 divisors, whose sum is σ = 11427744. Its totient is φ = 11427742.

The previous prime is 11427739. The next prime is 11427749. The reversal of 11427743 is 34772411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11427743 - 2² = 11427739 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 (11427749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5713871 + 5713872.

It is an arithmetic number, because the mean of its divisors is an integer number (5713872).

Almost surely, 2^11427743 is an apocalyptic number.

11427743 is a deficient number, since it is larger than the sum of its proper divisors (1).

11427743 is an equidigital number, since it uses as much as digits as its factorization.

11427743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 29.

The square root of 11427743 is about 3380.4944904555. The cubic root of 11427743 is about 225.2441333643.

The spelling of 11427743 in words is "eleven million, four hundred twenty-seven thousand, seven hundred forty-three".