12534303 has 4 divisors (see below), whose sum is σ = 16712408. Its totient is φ = 8356200.

The previous prime is 12534283. The next prime is 12534307. The reversal of 12534303 is 30343521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12534303 - 2⁵ = 12534271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12534303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2089048 + ... + 2089053.

It is an arithmetic number, because the mean of its divisors is an integer number (4178102).

Almost surely, 2^12534303 is an apocalyptic number.

12534303 is a deficient number, since it is larger than the sum of its proper divisors (4178105).

12534303 is an equidigital number, since it uses as much as digits as its factorization.

12534303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4178104.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 12534303 is about 3540.3817590763. The cubic root of 12534303 is about 232.2915416767.

Adding to 12534303 its reverse (30343521), we get a palindrome (42877824).

The spelling of 12534303 in words is "twelve million, five hundred thirty-four thousand, three hundred three".