18826212 has 24 divisors (see below), whose sum is σ = 44011296. Its totient is φ = 6263488.

The previous prime is 18826211. The next prime is 18826231. The reversal of 18826212 is 21262881.

It is a self number, because there is not a number n which added to its sum of digits gives 18826212.

It is not an unprimeable number, because it can be changed into a prime (18826211) 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 7 ways as a sum of consecutive naturals, for example, 7048 + ... + 9344.

It is an arithmetic number, because the mean of its divisors is an integer number (1833804).

Almost surely, 2^18826212 is an apocalyptic number.

18826212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18826212 is an abundant number, since it is smaller than the sum of its proper divisors (25185084).

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

18826212 is a wasteful number, since it uses less digits than its factorization.

18826212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987 (or 2985 counting only the distinct ones).

The product of its digits is 3072, while the sum is 30.

The square root of 18826212 is about 4338.9182983781. The cubic root of 18826212 is about 266.0240994239.

The spelling of 18826212 in words is "eighteen million, eight hundred twenty-six thousand, two hundred twelve".