11399243 has 2 divisors, whose sum is σ = 11399244. Its totient is φ = 11399242.

The previous prime is 11399207. The next prime is 11399249. The reversal of 11399243 is 34299311.

It is a strong prime.

It is an emirp because it is prime and its reverse (34299311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11399243 - 2⁸ = 11398987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11399249) 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, 5699621 + 5699622.

It is an arithmetic number, because the mean of its divisors is an integer number (5699622).

Almost surely, 2^11399243 is an apocalyptic number.

11399243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11399243 is an equidigital number, since it uses as much as digits as its factorization.

11399243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 32.

The square root of 11399243 is about 3376.2764993407. The cubic root of 11399243 is about 225.0567297283.

The spelling of 11399243 in words is "eleven million, three hundred ninety-nine thousand, two hundred forty-three".