12000303 has 24 divisors (see below), whose sum is σ = 20112768. Its totient is φ = 6752592.

The previous prime is 12000281. The next prime is 12000353. The reversal of 12000303 is 30300021.

It is a happy number.

It is not a de Polignac number, because 12000303 - 2⁵ = 12000271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2800 + ... + 5642.

It is an arithmetic number, because the mean of its divisors is an integer number (838032).

Almost surely, 2^12000303 is an apocalyptic number.

12000303 is a deficient number, since it is larger than the sum of its proper divisors (8112465).

12000303 is a wasteful number, since it uses less digits than its factorization.

12000303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923 (or 2920 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 12000303 is about 3464.1453491446. The cubic root of 12000303 is about 228.9447754301.

Adding to 12000303 its reverse (30300021), we get a palindrome (42300324).

The spelling of 12000303 in words is "twelve million, three hundred three", and thus it is an aban number.