12332031 has 4 divisors (see below), whose sum is σ = 16442712. Its totient is φ = 8221352.

The previous prime is 12332027. The next prime is 12332039. The reversal of 12332031 is 13023321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13023321 = 3 ⋅4341107.

It is a cyclic number.

It is not a de Polignac number, because 12332031 - 2² = 12332027 is a prime.

It is a super-2 number, since 2×12332031² = 304157977169922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12332031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12332039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2055336 + ... + 2055341.

It is an arithmetic number, because the mean of its divisors is an integer number (4110678).

Almost surely, 2^12332031 is an apocalyptic number.

12332031 is a deficient number, since it is larger than the sum of its proper divisors (4110681).

12332031 is an equidigital number, since it uses as much as digits as its factorization.

12332031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110680.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 12332031 is about 3511.6991613747. The cubic root of 12332031 is about 231.0352263514.

Adding to 12332031 its reverse (13023321), we get a palindrome (25355352).

The spelling of 12332031 in words is "twelve million, three hundred thirty-two thousand, thirty-one".