12822942 has 64 divisors (see below), whose sum is σ = 29548800. Its totient is φ = 3674880.

The previous prime is 12822941. The next prime is 12822973. The reversal of 12822942 is 24922821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12822941) 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 31 ways as a sum of consecutive naturals, for example, 144034 + ... + 144122.

It is an arithmetic number, because the mean of its divisors is an integer number (461700).

Almost surely, 2^12822942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12822942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14774400).

12822942 is an abundant number, since it is smaller than the sum of its proper divisors (16725858).

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

12822942 is a wasteful number, since it uses less digits than its factorization.

12822942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201.

The product of its digits is 4608, while the sum is 30.

The square root of 12822942 is about 3580.9135705850. The cubic root of 12822942 is about 234.0610915077.

It can be divided in two parts, 128229 and 42, that added together give a triangular number (128271 = T₅₀₆).

The spelling of 12822942 in words is "twelve million, eight hundred twenty-two thousand, nine hundred forty-two".