11873791 has 2 divisors, whose sum is σ = 11873792. Its totient is φ = 11873790.

The previous prime is 11873783. The next prime is 11873801. The reversal of 11873791 is 19737811.

It is a weak prime.

It is an emirp because it is prime and its reverse (19737811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11873791 - 2³ = 11873783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11873791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11873761) 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, 5936895 + 5936896.

It is an arithmetic number, because the mean of its divisors is an integer number (5936896).

Almost surely, 2^11873791 is an apocalyptic number.

11873791 is a deficient number, since it is larger than the sum of its proper divisors (1).

11873791 is an equidigital number, since it uses as much as digits as its factorization.

11873791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 37.

The square root of 11873791 is about 3445.8367634001. The cubic root of 11873791 is about 228.1373889813.

It can be divided in two parts, 118737 and 91, that added together give a triangular number (118828 = T₄₈₇).

The spelling of 11873791 in words is "eleven million, eight hundred seventy-three thousand, seven hundred ninety-one".