11047843 has 4 divisors (see below), whose sum is σ = 11528208. Its totient is φ = 10567480.

The previous prime is 11047783. The next prime is 11047847. The reversal of 11047843 is 34874011.

11047843 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11047843 is a prime.

It is a super-3 number, since 3×11047843³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11047847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240148 + ... + 240193.

It is an arithmetic number, because the mean of its divisors is an integer number (2882052).

Almost surely, 2^11047843 is an apocalyptic number.

11047843 is a deficient number, since it is larger than the sum of its proper divisors (480365).

11047843 is an equidigital number, since it uses as much as digits as its factorization.

11047843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480364.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 11047843 is about 3323.8295684346. The cubic root of 11047843 is about 222.7199726660.

The spelling of 11047843 in words is "eleven million, forty-seven thousand, eight hundred forty-three".