13226743 has 2 divisors, whose sum is σ = 13226744. Its totient is φ = 13226742.

The previous prime is 13226729. The next prime is 13226747. The reversal of 13226743 is 34762231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13226743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13226747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6613371 + 6613372.

It is an arithmetic number, because the mean of its divisors is an integer number (6613372).

Almost surely, 2^13226743 is an apocalyptic number.

13226743 is a deficient number, since it is larger than the sum of its proper divisors (1).

13226743 is an equidigital number, since it uses as much as digits as its factorization.

13226743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 28.

The square root of 13226743 is about 3636.8589469486. The cubic root of 13226743 is about 236.4926448910.

Adding to 13226743 its reverse (34762231), we get a palindrome (47988974).

The spelling of 13226743 in words is "thirteen million, two hundred twenty-six thousand, seven hundred forty-three".