2636812 has 12 divisors (see below), whose sum is σ = 4815216. Its totient is φ = 1261040.

The previous prime is 2636797. The next prime is 2636813. The reversal of 2636812 is 2186362.

It is not an unprimeable number, because it can be changed into a prime (2636813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14239 + ... + 14422.

It is an arithmetic number, because the mean of its divisors is an integer number (401268).

2^2636812 is an apocalyptic number.

It is an amenable number.

2636812 is a deficient number, since it is larger than the sum of its proper divisors (2178404).

2636812 is a wasteful number, since it uses less digits than its factorization.

2636812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28688 (or 28686 counting only the distinct ones).

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

The square root of 2636812 is about 1623.8263453953. The cubic root of 2636812 is about 138.1528097946.

The spelling of 2636812 in words is "two million, six hundred thirty-six thousand, eight hundred twelve".