11847799 has 2 divisors, whose sum is σ = 11847800. Its totient is φ = 11847798.

The previous prime is 11847791. The next prime is 11847853. The reversal of 11847799 is 99774811.

It is a weak prime.

It is an emirp because it is prime and its reverse (99774811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11847799 - 2³ = 11847791 is a prime.

It is a super-2 number, since 2×11847799² = 280740682288802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11847791) 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, 5923899 + 5923900.

It is an arithmetic number, because the mean of its divisors is an integer number (5923900).

Almost surely, 2^11847799 is an apocalyptic number.

11847799 is a deficient number, since it is larger than the sum of its proper divisors (1).

11847799 is an equidigital number, since it uses as much as digits as its factorization.

11847799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 46.

The square root of 11847799 is about 3442.0631894258. The cubic root of 11847799 is about 227.9708013804.

The spelling of 11847799 in words is "eleven million, eight hundred forty-seven thousand, seven hundred ninety-nine".