12135303 has 12 divisors (see below), whose sum is σ = 17956848. Its totient is φ = 7892640.

The previous prime is 12135293. The next prime is 12135307. The reversal of 12135303 is 30353121.

It is not a de Polignac number, because 12135303 - 2⁴ = 12135287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12135307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16075 + ... + 16812.

It is an arithmetic number, because the mean of its divisors is an integer number (1496404).

Almost surely, 2^12135303 is an apocalyptic number.

12135303 is a deficient number, since it is larger than the sum of its proper divisors (5821545).

12135303 is a wasteful number, since it uses less digits than its factorization.

12135303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32934 (or 32931 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 12135303 is about 3483.5761797325. The cubic root of 12135303 is about 229.8000972579.

Adding to 12135303 its reverse (30353121), we get a palindrome (42488424).

The spelling of 12135303 in words is "twelve million, one hundred thirty-five thousand, three hundred three".