12331443 has 8 divisors (see below), whose sum is σ = 17409168. Its totient is φ = 7737344.

The previous prime is 12331441. The next prime is 12331453. The reversal of 12331443 is 34413321.

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 12331443 - 2¹ = 12331441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12331441) 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 7 ways as a sum of consecutive naturals, for example, 120846 + ... + 120947.

It is an arithmetic number, because the mean of its divisors is an integer number (2176146).

Almost surely, 2^12331443 is an apocalyptic number.

12331443 is a deficient number, since it is larger than the sum of its proper divisors (5077725).

12331443 is a wasteful number, since it uses less digits than its factorization.

12331443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241813.

The product of its digits is 864, while the sum is 21.

The square root of 12331443 is about 3511.6154402212. The cubic root of 12331443 is about 231.0315543185.

Adding to 12331443 its reverse (34413321), we get a palindrome (46744764).

The spelling of 12331443 in words is "twelve million, three hundred thirty-one thousand, four hundred forty-three".