2005712 has 20 divisors (see below), whose sum is σ = 3946176. Its totient is φ = 987360.

The previous prime is 2005693. The next prime is 2005723. The reversal of 2005712 is 2175002.

It is a congruent number.

It is an unprimeable number.

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, 137 + ... + 2007.

2^2005712 is an apocalyptic number.

It is an amenable number.

2005712 is a deficient number, since it is larger than the sum of its proper divisors (1940464).

2005712 is a wasteful number, since it uses less digits than its factorization.

2005712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946 (or 1940 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 2005712 is about 1416.2316194747. The cubic root of 2005712 is about 126.1119354671. Note that the first 3 decimals are identical.

The spelling of 2005712 in words is "two million, five thousand, seven hundred twelve".