13290743 has 4 divisors (see below), whose sum is σ = 13298040. Its totient is φ = 13283448.

The previous prime is 13290731. The next prime is 13290751. The reversal of 13290743 is 34709231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 34709231 = 23 ⋅1509097.

It is a cyclic number.

It is not a de Polignac number, because 13290743 - 2¹⁰ = 13289719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13290713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1628 + ... + 5406.

It is an arithmetic number, because the mean of its divisors is an integer number (3324510).

Almost surely, 2^13290743 is an apocalyptic number.

13290743 is a deficient number, since it is larger than the sum of its proper divisors (7297).

13290743 is an equidigital number, since it uses as much as digits as its factorization.

13290743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7296.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 13290743 is about 3645.6471304831. The cubic root of 13290743 is about 236.8734688697.

Adding to 13290743 its reverse (34709231), we get a palindrome (47999974).

The spelling of 13290743 in words is "thirteen million, two hundred ninety thousand, seven hundred forty-three".