11716431 has 4 divisors (see below), whose sum is σ = 15621912. Its totient is φ = 7810952.

The previous prime is 11716409. The next prime is 11716433. The reversal of 11716431 is 13461711.

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 11716431 - 2⁹ = 11715919 is a prime.

It is a super-2 number, since 2×11716431² = 274549510755522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11716433) 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, 1952736 + ... + 1952741.

It is an arithmetic number, because the mean of its divisors is an integer number (3905478).

Almost surely, 2^11716431 is an apocalyptic number.

11716431 is a deficient number, since it is larger than the sum of its proper divisors (3905481).

11716431 is an equidigital number, since it uses as much as digits as its factorization.

11716431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905480.

The product of its digits is 504, while the sum is 24.

The square root of 11716431 is about 3422.9272560193. The cubic root of 11716431 is about 227.1250903506.

The spelling of 11716431 in words is "eleven million, seven hundred sixteen thousand, four hundred thirty-one".