12001303 has 12 divisors (see below), whose sum is σ = 12886632. Its totient is φ = 11173760.

The previous prime is 12001291. The next prime is 12001307. The reversal of 12001303 is 30310021.

12001303 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12001303 - 2⁵ = 12001271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12001303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001307) 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 11 ways as a sum of consecutive naturals, for example, 37701 + ... + 38017.

It is an arithmetic number, because the mean of its divisors is an integer number (1073886).

Almost surely, 2^12001303 is an apocalyptic number.

12001303 is a deficient number, since it is larger than the sum of its proper divisors (885329).

12001303 is a wasteful number, since it uses less digits than its factorization.

12001303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 12001303 is about 3464.2896818829. The cubic root of 12001303 is about 228.9511346700.

Adding to 12001303 its reverse (30310021), we get a palindrome (42311324).

The spelling of 12001303 in words is "twelve million, one thousand, three hundred three".