2340013 has 4 divisors (see below), whose sum is σ = 2520028. Its totient is φ = 2160000.

The previous prime is 2340011. The next prime is 2340029. The reversal of 2340013 is 3100432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1542564 + 797449 = 1242^2 + 893^2 .

It is a cyclic number.

It is not a de Polignac number, because 2340013 - 2¹ = 2340011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 180001 = 2340013 / (2 + 3 + 4 + 0 + 0 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2339975 and 2340002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89988 + ... + 90013.

It is an arithmetic number, because the mean of its divisors is an integer number (630007).

2^2340013 is an apocalyptic number.

It is an amenable number.

2340013 is a deficient number, since it is larger than the sum of its proper divisors (180015).

2340013 is a wasteful number, since it uses less digits than its factorization.

2340013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180014.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2340013 is about 1529.7101032549. The cubic root of 2340013 is about 132.7616852802.

Adding to 2340013 its reverse (3100432), we get a palindrome (5440445).

The spelling of 2340013 in words is "two million, three hundred forty thousand, thirteen".