12318303 has 8 divisors (see below), whose sum is σ = 16477488. Its totient is φ = 8185664.

The previous prime is 12318283. The next prime is 12318329. The reversal of 12318303 is 30381321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12318303 - 2¹² = 12314207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12318303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12318343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5526 + ... + 7427.

It is an arithmetic number, because the mean of its divisors is an integer number (2059686).

Almost surely, 2^12318303 is an apocalyptic number.

12318303 is a deficient number, since it is larger than the sum of its proper divisors (4159185).

12318303 is a wasteful number, since it uses less digits than its factorization.

12318303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13273.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 12318303 is about 3509.7440077590. The cubic root of 12318303 is about 230.9494651547.

Adding to 12318303 its reverse (30381321), we get a palindrome (42699624).

It can be divided in two parts, 12318 and 303, that added together give a palindrome (12621).

The spelling of 12318303 in words is "twelve million, three hundred eighteen thousand, three hundred three".