1882812 has 12 divisors (see below), whose sum is σ = 4393256. Its totient is φ = 627600.

The previous prime is 1882787. The next prime is 1882823. The reversal of 1882812 is 2182881.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1882812.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 78439 + ... + 78462.

2^1882812 is an apocalyptic number.

1882812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1882812 is an abundant number, since it is smaller than the sum of its proper divisors (2510444).

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

1882812 is a wasteful number, since it uses less digits than its factorization.

1882812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156908 (or 156906 counting only the distinct ones).

The product of its digits is 2048, while the sum is 30.

The square root of 1882812 is about 1372.1559678112. The cubic root of 1882812 is about 123.4816201947.

The spelling of 1882812 in words is "one million, eight hundred eighty-two thousand, eight hundred twelve".