12822340 has 48 divisors (see below), whose sum is σ = 29070720. Its totient is φ = 4734720.

The previous prime is 12822323. The next prime is 12822349. The reversal of 12822340 is 4322821.

It is not an unprimeable number, because it can be changed into a prime (12822349) 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 15 ways as a sum of consecutive naturals, for example, 15169 + ... + 15991.

It is an arithmetic number, because the mean of its divisors is an integer number (605640).

Almost surely, 2^12822340 is an apocalyptic number.

12822340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12822340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14535360).

12822340 is an abundant number, since it is smaller than the sum of its proper divisors (16248380).

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

12822340 is a wasteful number, since it uses less digits than its factorization.

12822340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 12822340 is about 3580.8295128364. The cubic root of 12822340 is about 234.0574286202.

The spelling of 12822340 in words is "twelve million, eight hundred twenty-two thousand, three hundred forty".