12312822 has 8 divisors (see below), whose sum is σ = 24625656. Its totient is φ = 4104272.

The previous prime is 12312803. The next prime is 12312829. The reversal of 12312822 is 22821321.

It is a happy number.

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

12312822 is an admirable number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1026063 + ... + 1026074.

It is an arithmetic number, because the mean of its divisors is an integer number (3078207).

Almost surely, 2^12312822 is an apocalyptic number.

12312822 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.

12312822 is a wasteful number, since it uses less digits than its factorization.

12312822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052142.

The product of its digits is 384, while the sum is 21.

The square root of 12312822 is about 3508.9630947048. The cubic root of 12312822 is about 230.9152065990.

The spelling of 12312822 in words is "twelve million, three hundred twelve thousand, eight hundred twenty-two".