12424331 has 4 divisors (see below), whose sum is σ = 13155192. Its totient is φ = 11693472.

The previous prime is 12424327. The next prime is 12424333. The reversal of 12424331 is 13342421.

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 12424331 - 2² = 12424327 is a prime.

It is a super-2 number, since 2×12424331² = 308728001595122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12424333) 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, 365405 + ... + 365438.

It is an arithmetic number, because the mean of its divisors is an integer number (3288798).

Almost surely, 2^12424331 is an apocalyptic number.

12424331 is a deficient number, since it is larger than the sum of its proper divisors (730861).

12424331 is an equidigital number, since it uses as much as digits as its factorization.

12424331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730860.

The product of its digits is 576, while the sum is 20.

The square root of 12424331 is about 3524.8164491219. The cubic root of 12424331 is about 231.6101943564.

Adding to 12424331 its reverse (13342421), we get a palindrome (25766752).

The spelling of 12424331 in words is "twelve million, four hundred twenty-four thousand, three hundred thirty-one".