11716943 has 4 divisors (see below), whose sum is σ = 13390800. Its totient is φ = 10043088.

The previous prime is 11716937. The next prime is 11716949. The reversal of 11716943 is 34961711.

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

It is an interprime number because it is at equal distance from previous prime (11716937) and next prime (11716949).

It is a cyclic number.

It is not a de Polignac number, because 11716943 - 2⁶ = 11716879 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 (11716949) 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, 836918 + ... + 836931.

It is an arithmetic number, because the mean of its divisors is an integer number (3347700).

Almost surely, 2^11716943 is an apocalyptic number.

11716943 is a deficient number, since it is larger than the sum of its proper divisors (1673857).

11716943 is an equidigital number, since it uses as much as digits as its factorization.

11716943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673856.

The product of its digits is 4536, while the sum is 32.

The square root of 11716943 is about 3423.0020449892. The cubic root of 11716943 is about 227.1283987060.

The spelling of 11716943 in words is "eleven million, seven hundred sixteen thousand, nine hundred forty-three".