2162812 has 6 divisors (see below), whose sum is σ = 3784928. Its totient is φ = 1081404.

The previous prime is 2162807. The next prime is 2162813. The reversal of 2162812 is 2182612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270348 + ... + 270355.

2^2162812 is an apocalyptic number.

It is an amenable number.

2162812 is a deficient number, since it is larger than the sum of its proper divisors (1622116).

2162812 is a wasteful number, since it uses less digits than its factorization.

2162812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540707 (or 540705 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 2162812 is about 1470.6501963417. The cubic root of 2162812 is about 129.3221521728.

The spelling of 2162812 in words is "two million, one hundred sixty-two thousand, eight hundred twelve".