11566343 has 4 divisors (see below), whose sum is σ = 11575080. Its totient is φ = 11557608.

The previous prime is 11566337. The next prime is 11566361. The reversal of 11566343 is 34366511.

It is a happy number.

11566343 is digitally balanced in base 2, 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, 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 11566343 - 2⁶ = 11566279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11566543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1928 + ... + 5181.

It is an arithmetic number, because the mean of its divisors is an integer number (2893770).

Almost surely, 2^11566343 is an apocalyptic number.

11566343 is a deficient number, since it is larger than the sum of its proper divisors (8737).

11566343 is an equidigital number, since it uses as much as digits as its factorization.

11566343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8736.

The product of its digits is 6480, while the sum is 29.

The square root of 11566343 is about 3400.9326661961. The cubic root of 11566343 is about 226.1510919586.

The spelling of 11566343 in words is "eleven million, five hundred sixty-six thousand, three hundred forty-three".