2813705 has 16 divisors (see below), whose sum is σ = 3611520. Its totient is φ = 2099328.

The previous prime is 2813693. The next prime is 2813711. The reversal of 2813705 is 5073182.

It is a cyclic number.

It is not a de Polignac number, because 2813705 - 2⁶ = 2813641 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4661 + ... + 5229.

It is an arithmetic number, because the mean of its divisors is an integer number (225720).

2^2813705 is an apocalyptic number.

It is an amenable number.

2813705 is a deficient number, since it is larger than the sum of its proper divisors (797815).

2813705 is a wasteful number, since it uses less digits than its factorization.

2813705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 2813705 is about 1677.4102062406. The cubic root of 2813705 is about 141.1755605368.

Adding to 2813705 its reverse (5073182), we get a palindrome (7886887).

The spelling of 2813705 in words is "two million, eight hundred thirteen thousand, seven hundred five".