11842843 has 4 divisors (see below), whose sum is σ = 11849760. Its totient is φ = 11835928.

The previous prime is 11842841. The next prime is 11842847. The reversal of 11842843 is 34824811.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11842843 - 2¹ = 11842841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11842841) 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 in 3 ways as a sum of consecutive naturals, for example, 1221 + ... + 5017.

It is an arithmetic number, because the mean of its divisors is an integer number (2962440).

Almost surely, 2^11842843 is an apocalyptic number.

11842843 is a deficient number, since it is larger than the sum of its proper divisors (6917).

11842843 is an equidigital number, since it uses as much as digits as its factorization.

11842843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6916.

The product of its digits is 6144, while the sum is 31.

The square root of 11842843 is about 3441.3431970671. The cubic root of 11842843 is about 227.9390097971.

The spelling of 11842843 in words is "eleven million, eight hundred forty-two thousand, eight hundred forty-three".