12343331 has 48 divisors (see below), whose sum is σ = 17875200. Its totient is φ = 8268480.

The previous prime is 12343327. The next prime is 12343349. The reversal of 12343331 is 13334321.

It is not a de Polignac number, because 12343331 - 2² = 12343327 is a prime.

It is a super-2 number, since 2×12343331² = 304715640351122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12343391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 209180 + ... + 209238.

It is an arithmetic number, because the mean of its divisors is an integer number (372400).

Almost surely, 2^12343331 is an apocalyptic number.

12343331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12343331 is a deficient number, since it is larger than the sum of its proper divisors (5531869).

12343331 is a wasteful number, since it uses less digits than its factorization.

12343331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 109 counting only the distinct ones).

The product of its digits is 648, while the sum is 20.

The square root of 12343331 is about 3513.3077007288. The cubic root of 12343331 is about 231.1057716671.

Adding to 12343331 its reverse (13334321), we get a palindrome (25677652).

It can be divided in two parts, 12 and 343331, that added together give a palindrome (343343).

The spelling of 12343331 in words is "twelve million, three hundred forty-three thousand, three hundred thirty-one".