13838743 has 2 divisors, whose sum is σ = 13838744. Its totient is φ = 13838742.

The previous prime is 13838723. The next prime is 13838753. The reversal of 13838743 is 34783831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13838743 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13838723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6919371 + 6919372.

It is an arithmetic number, because the mean of its divisors is an integer number (6919372).

Almost surely, 2^13838743 is an apocalyptic number.

13838743 is a deficient number, since it is larger than the sum of its proper divisors (1).

13838743 is an equidigital number, since it uses as much as digits as its factorization.

13838743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 13838743 is about 3720.0461018649. The cubic root of 13838743 is about 240.0852879750.

The spelling of 13838743 in words is "thirteen million, eight hundred thirty-eight thousand, seven hundred forty-three".