2012656 has 10 divisors (see below), whose sum is σ = 3899552. Its totient is φ = 1006320.

The previous prime is 2012641. The next prime is 2012657. The reversal of 2012656 is 6562102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012657) 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, 62880 + ... + 62911.

2^2012656 is an apocalyptic number.

It is an amenable number.

2012656 is a deficient number, since it is larger than the sum of its proper divisors (1886896).

2012656 is a wasteful number, since it uses less digits than its factorization.

2012656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125799 (or 125793 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2012656 is about 1418.6810776210. The cubic root of 2012656 is about 126.2573057237.

Adding to 2012656 its reverse (6562102), we get a palindrome (8574758).

The spelling of 2012656 in words is "two million, twelve thousand, six hundred fifty-six".