2111712 has 24 divisors (see below), whose sum is σ = 5543496. Its totient is φ = 703872.

The previous prime is 2111677. The next prime is 2111713. The reversal of 2111712 is 2171112.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 2111691 and 2111700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10903 + ... + 11094.

It is an arithmetic number, because the mean of its divisors is an integer number (230979).

2^2111712 is an apocalyptic number.

It is an amenable number.

2111712 is an abundant number, since it is smaller than the sum of its proper divisors (3431784).

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

2111712 is a wasteful number, since it uses less digits than its factorization.

2111712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22010 (or 22002 counting only the distinct ones).

The product of its digits is 28, while the sum is 15.

The square root of 2111712 is about 1453.1730798497. The cubic root of 2111712 is about 128.2955410541.

Adding to 2111712 its reverse (2171112), we get a palindrome (4282824).

The spelling of 2111712 in words is "two million, one hundred eleven thousand, seven hundred twelve".