12111343 has 8 divisors (see below), whose sum is σ = 12418560. Its totient is φ = 11807640.

The previous prime is 12111331. The next prime is 12111349. The reversal of 12111343 is 34311121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12111343 - 2⁵ = 12111311 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 (12111349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6946 + ... + 8512.

It is an arithmetic number, because the mean of its divisors is an integer number (1552320).

Almost surely, 2^12111343 is an apocalyptic number.

12111343 is a deficient number, since it is larger than the sum of its proper divisors (307217).

12111343 is a wasteful number, since it uses less digits than its factorization.

12111343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757.

The product of its digits is 72, while the sum is 16.

The square root of 12111343 is about 3480.1354858683. The cubic root of 12111343 is about 229.6487581440.

Adding to 12111343 its reverse (34311121), we get a palindrome (46422464).

The spelling of 12111343 in words is "twelve million, one hundred eleven thousand, three hundred forty-three".