2112756 has 12 divisors (see below), whose sum is σ = 4929792. Its totient is φ = 704248.

The previous prime is 2112751. The next prime is 2112767. The reversal of 2112756 is 6572112.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112751) 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, 88020 + ... + 88043.

It is an arithmetic number, because the mean of its divisors is an integer number (410816).

2^2112756 is an apocalyptic number.

It is an amenable number.

2112756 is an abundant number, since it is smaller than the sum of its proper divisors (2817036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112756 is a wasteful number, since it uses less digits than its factorization.

2112756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176070 (or 176068 counting only the distinct ones).

The product of its digits is 840, while the sum is 24.

The square root of 2112756 is about 1453.5322493842. The cubic root of 2112756 is about 128.3166800602.

Adding to 2112756 its reverse (6572112), we get a palindrome (8684868).

The spelling of 2112756 in words is "two million, one hundred twelve thousand, seven hundred fifty-six".