12303207 has 24 divisors (see below), whose sum is σ = 20442240. Its totient is φ = 6984720.

The previous prime is 12303197. The next prime is 12303209. The reversal of 12303207 is 70230321.

It is not a de Polignac number, because 12303207 - 2¹⁰ = 12302183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12303207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10732 + ... + 11822.

It is an arithmetic number, because the mean of its divisors is an integer number (851760).

Almost surely, 2^12303207 is an apocalyptic number.

12303207 is a deficient number, since it is larger than the sum of its proper divisors (8139033).

12303207 is a wasteful number, since it uses less digits than its factorization.

12303207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 12303207 is about 3507.5927642758. The cubic root of 12303207 is about 230.8550842353.

Adding to 12303207 its reverse (70230321), we get a palindrome (82533528).

The spelling of 12303207 in words is "twelve million, three hundred three thousand, two hundred seven".