12945303 has 24 divisors (see below), whose sum is σ = 21778848. Its totient is φ = 7255872.

The previous prime is 12945293. The next prime is 12945307. The reversal of 12945303 is 30354921.

12945303 is a `hidden beast` number, since 129 + 4 + 530 + 3 = 666.

It is not a de Polignac number, because 12945303 - 2⁶ = 12945239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12945307) 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 23 ways as a sum of consecutive naturals, for example, 1401 + ... + 5277.

It is an arithmetic number, because the mean of its divisors is an integer number (907452).

Almost surely, 2^12945303 is an apocalyptic number.

12945303 is a deficient number, since it is larger than the sum of its proper divisors (8833545).

12945303 is a wasteful number, since it uses less digits than its factorization.

12945303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943 (or 3940 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 12945303 is about 3597.9581709631. The cubic root of 12945303 is about 234.8032335120.

The spelling of 12945303 in words is "twelve million, nine hundred forty-five thousand, three hundred three".