12204331 has 8 divisors (see below), whose sum is σ = 12834000. Its totient is φ = 11588640.

The previous prime is 12204323. The next prime is 12204341. The reversal of 12204331 is 13340221.

It is a happy number.

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 12204331 - 2³ = 12204323 is a prime.

It is a super-2 number, since 2×12204331² = 297891390315122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12204341) 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, 1681 + ... + 5218.

It is an arithmetic number, because the mean of its divisors is an integer number (1604250).

Almost surely, 2^12204331 is an apocalyptic number.

12204331 is a deficient number, since it is larger than the sum of its proper divisors (629669).

12204331 is an equidigital number, since it uses as much as digits as its factorization.

12204331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6989.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12204331 is about 3493.4697651475. The cubic root of 12204331 is about 230.2349898240.

Adding to 12204331 its reverse (13340221), we get a palindrome (25544552).

The spelling of 12204331 in words is "twelve million, two hundred four thousand, three hundred thirty-one".