12822564 has 24 divisors (see below), whose sum is σ = 29983968. Its totient is φ = 4264960.

The previous prime is 12822541. The next prime is 12822571. The reversal of 12822564 is 46522821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6859 + ... + 8525.

It is an arithmetic number, because the mean of its divisors is an integer number (1249332).

Almost surely, 2^12822564 is an apocalyptic number.

It is an amenable number.

12822564 is an abundant number, since it is smaller than the sum of its proper divisors (17161404).

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

12822564 is a wasteful number, since it uses less digits than its factorization.

12822564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315 (or 2313 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 12822564 is about 3580.8607903687. The cubic root of 12822564 is about 234.0587915685.

The spelling of 12822564 in words is "twelve million, eight hundred twenty-two thousand, five hundred sixty-four".