11718443 has 4 divisors (see below), whose sum is σ = 12783768. Its totient is φ = 10653120.

The previous prime is 11718433. The next prime is 11718449. The reversal of 11718443 is 34481711.

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

It is a cyclic number.

It is not a de Polignac number, because 11718443 - 2¹⁴ = 11702059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11718449) 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, 532646 + ... + 532667.

It is an arithmetic number, because the mean of its divisors is an integer number (3195942).

Almost surely, 2^11718443 is an apocalyptic number.

11718443 is a deficient number, since it is larger than the sum of its proper divisors (1065325).

11718443 is a wasteful number, since it uses less digits than its factorization.

11718443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065324.

The product of its digits is 2688, while the sum is 29.

The square root of 11718443 is about 3423.2211438936. The cubic root of 11718443 is about 227.1380905986.

The spelling of 11718443 in words is "eleven million, seven hundred eighteen thousand, four hundred forty-three".