2001306 has 16 divisors (see below), whose sum is σ = 4096224. Its totient is φ = 651504.

The previous prime is 2001281. The next prime is 2001313. The reversal of 2001306 is 6031002.

It is a junction number, because it is equal to n+sod(n) for n = 2001291 and 2001300.

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 7 ways as a sum of consecutive naturals, for example, 3621 + ... + 4136.

It is an arithmetic number, because the mean of its divisors is an integer number (256014).

2^2001306 is an apocalyptic number.

2001306 is an abundant number, since it is smaller than the sum of its proper divisors (2094918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001306 is a wasteful number, since it uses less digits than its factorization.

2001306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7805.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2001306 is about 1414.6752277466. The cubic root of 2001306 is about 126.0195233038.

Adding to 2001306 its reverse (6031002), we get a palindrome (8032308).

The spelling of 2001306 in words is "two million, one thousand, three hundred six".