11841839 has 2 divisors, whose sum is σ = 11841840. Its totient is φ = 11841838.

The previous prime is 11841829. The next prime is 11841847. The reversal of 11841839 is 93814811.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11841839 is a prime.

It is equal to p₇₇₈₃₂₈ and since 11841839 and 778328 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 11841799 and 11841808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11841829) 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, 5920919 + 5920920.

It is an arithmetic number, because the mean of its divisors is an integer number (5920920).

Almost surely, 2^11841839 is an apocalyptic number.

11841839 is a deficient number, since it is larger than the sum of its proper divisors (1).

11841839 is an equidigital number, since it uses as much as digits as its factorization.

11841839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 35.

The square root of 11841839 is about 3441.1973207010. The cubic root of 11841839 is about 227.9325682911.

The spelling of 11841839 in words is "eleven million, eight hundred forty-one thousand, eight hundred thirty-nine".