13827243 has 4 divisors (see below), whose sum is σ = 18436328. Its totient is φ = 9218160.

The previous prime is 13827241. The next prime is 13827257. The reversal of 13827243 is 34272831.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13827243 - 2¹ = 13827241 is a prime.

It is the 3719-th Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13827243.

It is not an unprimeable number, because it can be changed into a prime (13827241) by changing a digit.

It is a nontrivial repunit in base 3718.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2304538 + ... + 2304543.

It is an arithmetic number, because the mean of its divisors is an integer number (4609082).

Almost surely, 2^13827243 is an apocalyptic number.

13827243 is a deficient number, since it is larger than the sum of its proper divisors (4609085).

13827243 is an equidigital number, since it uses as much as digits as its factorization.

13827243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4609084.

The product of its digits is 8064, while the sum is 30.

The square root of 13827243 is about 3718.5001008471. The cubic root of 13827243 is about 240.0187658937.

The spelling of 13827243 in words is "thirteen million, eight hundred twenty-seven thousand, two hundred forty-three".