12822782 has 16 divisors (see below), whose sum is σ = 22035552. Its totient is φ = 5482080.

The previous prime is 12822781. The next prime is 12822787. The reversal of 12822782 is 28722821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12822781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6728 + ... + 8420.

It is an arithmetic number, because the mean of its divisors is an integer number (1377222).

Almost surely, 2^12822782 is an apocalyptic number.

12822782 is a deficient number, since it is larger than the sum of its proper divisors (9212770).

12822782 is a wasteful number, since it uses less digits than its factorization.

12822782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243.

The product of its digits is 7168, while the sum is 32.

The square root of 12822782 is about 3580.8912298477. The cubic root of 12822782 is about 234.0601179940.

The spelling of 12822782 in words is "twelve million, eight hundred twenty-two thousand, seven hundred eighty-two".