2012786 has 4 divisors (see below), whose sum is σ = 3019182. Its totient is φ = 1006392.

The previous prime is 2012767. The next prime is 2012789. The reversal of 2012786 is 6872102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1907161 + 105625 = 1381^2 + 325^2 .

It is not an unprimeable number, because it can be changed into a prime (2012789) 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 as a sum of consecutive naturals, namely, 503195 + ... + 503198.

2^2012786 is an apocalyptic number.

2012786 is a deficient number, since it is larger than the sum of its proper divisors (1006396).

2012786 is a wasteful number, since it uses less digits than its factorization.

2012786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006395.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 2012786 is about 1418.7268940850. The cubic root of 2012786 is about 126.2600240383.

Adding to 2012786 its reverse (6872102), we get a palindrome (8884888).

The spelling of 2012786 in words is "two million, twelve thousand, seven hundred eighty-six".