2012636 has 6 divisors (see below), whose sum is σ = 3522120. Its totient is φ = 1006316.

The previous prime is 2012611. The next prime is 2012639. The reversal of 2012636 is 6362102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251576 + ... + 251583.

It is an arithmetic number, because the mean of its divisors is an integer number (587020).

2^2012636 is an apocalyptic number.

It is an amenable number.

2012636 is a deficient number, since it is larger than the sum of its proper divisors (1509484).

2012636 is a wasteful number, since it uses less digits than its factorization.

2012636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503163 (or 503161 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2012636 is about 1418.6740288030. The cubic root of 2012636 is about 126.2568875111.

Adding to 2012636 its reverse (6362102), we get a palindrome (8374738).

The spelling of 2012636 in words is "two million, twelve thousand, six hundred thirty-six".