13874243 has 2 divisors, whose sum is σ = 13874244. Its totient is φ = 13874242.

The previous prime is 13874239. The next prime is 13874279. The reversal of 13874243 is 34247831.

13874243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (34247831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13874243 - 2² = 13874239 is a prime.

It is not a weakly prime, because it can be changed into another prime (13874233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6937121 + 6937122.

It is an arithmetic number, because the mean of its divisors is an integer number (6937122).

Almost surely, 2^13874243 is an apocalyptic number.

13874243 is a deficient number, since it is larger than the sum of its proper divisors (1).

13874243 is an equidigital number, since it uses as much as digits as its factorization.

13874243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 32.

The square root of 13874243 is about 3724.8144920251. The cubic root of 13874243 is about 240.2904065602.

The spelling of 13874243 in words is "thirteen million, eight hundred seventy-four thousand, two hundred forty-three".