13744243 has 2 divisors, whose sum is σ = 13744244. Its totient is φ = 13744242.

The previous prime is 13744229. The next prime is 13744249. The reversal of 13744243 is 34244731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13744243 - 2⁹ = 13743731 is a prime.

It is not a weakly prime, because it can be changed into another prime (13744249) 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, 6872121 + 6872122.

It is an arithmetic number, because the mean of its divisors is an integer number (6872122).

Almost surely, 2^13744243 is an apocalyptic number.

13744243 is a deficient number, since it is larger than the sum of its proper divisors (1).

13744243 is an equidigital number, since it uses as much as digits as its factorization.

13744243 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 13744243 is about 3707.3228885545. The cubic root of 13744243 is about 239.5375527868.

Adding to 13744243 its reverse (34244731), we get a palindrome (47988974).

The spelling of 13744243 in words is "thirteen million, seven hundred forty-four thousand, two hundred forty-three".