2065687 has 12 divisors (see below), whose sum is σ = 2371680. Its totient is φ = 1792128.

The previous prime is 2065669. The next prime is 2065711. The reversal of 2065687 is 7865602.

It is not a de Polignac number, because 2065687 - 2⁷ = 2065559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2514 + ... + 3232.

It is an arithmetic number, because the mean of its divisors is an integer number (197640).

2^2065687 is an apocalyptic number.

2065687 is the 719-th decagonal number.

2065687 is a deficient number, since it is larger than the sum of its proper divisors (305993).

2065687 is a wasteful number, since it uses less digits than its factorization.

2065687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2065687 is about 1437.2498043138. The cubic root of 2065687 is about 127.3566144092.

The spelling of 2065687 in words is "two million, sixty-five thousand, six hundred eighty-seven".