11239247 has 2 divisors, whose sum is σ = 11239248. Its totient is φ = 11239246.

The previous prime is 11239237. The next prime is 11239259. The reversal of 11239247 is 74293211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11239247 - 2¹⁶ = 11173711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11239237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5619623 + 5619624.

It is an arithmetic number, because the mean of its divisors is an integer number (5619624).

Almost surely, 2^11239247 is an apocalyptic number.

11239247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11239247 is an equidigital number, since it uses as much as digits as its factorization.

11239247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 29.

The square root of 11239247 is about 3352.4986204322. The cubic root of 11239247 is about 223.9988241329.

The spelling of 11239247 in words is "eleven million, two hundred thirty-nine thousand, two hundred forty-seven".