2117612 has 12 divisors (see below), whose sum is σ = 4235280. Its totient is φ = 907536.

The previous prime is 2117611. The next prime is 2117623. The reversal of 2117612 is 2167112.

2117612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2117612 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2117611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37787 + ... + 37842.

It is an arithmetic number, because the mean of its divisors is an integer number (352940).

2^2117612 is an apocalyptic number.

It is an amenable number.

2117612 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2117612 is a wasteful number, since it uses less digits than its factorization.

2117612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75640 (or 75638 counting only the distinct ones).

The product of its digits is 168, while the sum is 20.

The square root of 2117612 is about 1455.2017042321. The cubic root of 2117612 is about 128.4149133663.

The spelling of 2117612 in words is "two million, one hundred seventeen thousand, six hundred twelve".