11816343 has 72 divisors (see below), whose sum is σ = 22988160. Its totient is φ = 5679360.

The previous prime is 11816341. The next prime is 11816351. The reversal of 11816343 is 34361811.

It is not a de Polignac number, because 11816343 - 2¹ = 11816341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11816341) 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 71 ways as a sum of consecutive naturals, for example, 200248 + ... + 200306.

It is an arithmetic number, because the mean of its divisors is an integer number (319280).

Almost surely, 2^11816343 is an apocalyptic number.

11816343 is a deficient number, since it is larger than the sum of its proper divisors (11171817).

11816343 is a wasteful number, since it uses less digits than its factorization.

11816343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 97 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 11816343 is about 3437.4907999877. The cubic root of 11816343 is about 227.7688678031.

It can be divided in two parts, 118 and 16343, that added together give a palindrome (16461).

The spelling of 11816343 in words is "eleven million, eight hundred sixteen thousand, three hundred forty-three".