11189839 has 2 divisors, whose sum is σ = 11189840. Its totient is φ = 11189838.

The previous prime is 11189833. The next prime is 11189851. The reversal of 11189839 is 93898111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11189839 - 2⁹ = 11189327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11189833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5594919 + 5594920.

It is an arithmetic number, because the mean of its divisors is an integer number (5594920).

Almost surely, 2^11189839 is an apocalyptic number.

11189839 is a deficient number, since it is larger than the sum of its proper divisors (1).

11189839 is an equidigital number, since it uses as much as digits as its factorization.

11189839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 40.

The square root of 11189839 is about 3345.1216719276. The cubic root of 11189839 is about 223.6701072402.

The spelling of 11189839 in words is "eleven million, one hundred eighty-nine thousand, eight hundred thirty-nine".