13442743 has 2 divisors, whose sum is σ = 13442744. Its totient is φ = 13442742.

The previous prime is 13442707. The next prime is 13442749. The reversal of 13442743 is 34724431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13442743 - 2¹⁷ = 13311671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13442749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721371 + 6721372.

It is an arithmetic number, because the mean of its divisors is an integer number (6721372).

Almost surely, 2^13442743 is an apocalyptic number.

13442743 is a deficient number, since it is larger than the sum of its proper divisors (1).

13442743 is an equidigital number, since it uses as much as digits as its factorization.

13442743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 28.

The square root of 13442743 is about 3666.4346441741. The cubic root of 13442743 is about 237.7730517899.

The spelling of 13442743 in words is "thirteen million, four hundred forty-two thousand, seven hundred forty-three".