2812636 has 12 divisors (see below), whose sum is σ = 4968040. Its totient is φ = 1393200.

The previous prime is 2812631. The next prime is 2812639. The reversal of 2812636 is 6362182.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2812631) 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 3 ways as a sum of consecutive naturals, for example, 2790 + ... + 3661.

2^2812636 is an apocalyptic number.

It is an amenable number.

2812636 is a deficient number, since it is larger than the sum of its proper divisors (2155404).

2812636 is a wasteful number, since it uses less digits than its factorization.

2812636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6564 (or 6562 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 2812636 is about 1677.0915300007. The cubic root of 2812636 is about 141.1576795115.

The spelling of 2812636 in words is "two million, eight hundred twelve thousand, six hundred thirty-six".