11841239 has 2 divisors, whose sum is σ = 11841240. Its totient is φ = 11841238.

The previous prime is 11841233. The next prime is 11841281. The reversal of 11841239 is 93214811.

It is a weak prime.

It is an emirp because it is prime and its reverse (93214811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11841239 - 2¹² = 11837143 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11841233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5920619 + 5920620.

It is an arithmetic number, because the mean of its divisors is an integer number (5920620).

Almost surely, 2^11841239 is an apocalyptic number.

11841239 is a deficient number, since it is larger than the sum of its proper divisors (1).

11841239 is an equidigital number, since it uses as much as digits as its factorization.

11841239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 29.

The square root of 11841239 is about 3441.1101406378. The cubic root of 11841239 is about 227.9287186117.

The spelling of 11841239 in words is "eleven million, eight hundred forty-one thousand, two hundred thirty-nine".