12822858 has 24 divisors (see below), whose sum is σ = 28430688. Its totient is φ = 4174632.

The previous prime is 12822851. The next prime is 12822863. The reversal of 12822858 is 85822821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12822851) 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 11 ways as a sum of consecutive naturals, for example, 7510 + ... + 9057.

It is an arithmetic number, because the mean of its divisors is an integer number (1184612).

Almost surely, 2^12822858 is an apocalyptic number.

12822858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12822858 is an abundant number, since it is smaller than the sum of its proper divisors (15607830).

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

12822858 is a wasteful number, since it uses less digits than its factorization.

12822858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16618 (or 16615 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 12822858 is about 3580.9018417153. The cubic root of 12822858 is about 234.0605804140.

The spelling of 12822858 in words is "twelve million, eight hundred twenty-two thousand, eight hundred fifty-eight".