12311322 has 8 divisors (see below), whose sum is σ = 24622656. Its totient is φ = 4103772.

The previous prime is 12311311. The next prime is 12311333. The reversal of 12311322 is 22311321.

It is an interprime number because it is at equal distance from previous prime (12311311) and next prime (12311333).

It is a sphenic number, since it is the product of 3 distinct primes.

12311322 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025938 + ... + 1025949.

It is an arithmetic number, because the mean of its divisors is an integer number (3077832).

Almost surely, 2^12311322 is an apocalyptic number.

12311322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12311322 is a wasteful number, since it uses less digits than its factorization.

12311322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051892.

The product of its digits is 72, while the sum is 15.

The square root of 12311322 is about 3508.7493498396. The cubic root of 12311322 is about 230.9058291962.

Adding to 12311322 its reverse (22311321), we get a palindrome (34622643).

Subtracting 12311322 from its reverse (22311321), we obtain a palindrome (9999999).

The spelling of 12311322 in words is "twelve million, three hundred eleven thousand, three hundred twenty-two".