2040013 has 4 divisors (see below), whose sum is σ = 2046240. Its totient is φ = 2033788.

The previous prime is 2039993. The next prime is 2040019. The reversal of 2040013 is 3100402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2040013 - 2⁵ = 2039981 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 (2040019) 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, 2593 + ... + 3286.

It is an arithmetic number, because the mean of its divisors is an integer number (511560).

2^2040013 is an apocalyptic number.

It is an amenable number.

2040013 is a deficient number, since it is larger than the sum of its proper divisors (6227).

2040013 is an equidigital number, since it uses as much as digits as its factorization.

2040013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6226.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2040013 is about 1428.2902366116. The cubic root of 2040013 is about 126.8267835099.

Adding to 2040013 its reverse (3100402), we get a palindrome (5140415).

The spelling of 2040013 in words is "two million, forty thousand, thirteen".