12603263 has 4 divisors (see below), whose sum is σ = 12612600. Its totient is φ = 12593928.

The previous prime is 12603259. The next prime is 12603299. The reversal of 12603263 is 36230621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12603263 - 2² = 12603259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12603233) 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, 2213 + ... + 5486.

It is an arithmetic number, because the mean of its divisors is an integer number (3153150).

Almost surely, 2^12603263 is an apocalyptic number.

12603263 is a deficient number, since it is larger than the sum of its proper divisors (9337).

12603263 is an equidigital number, since it uses as much as digits as its factorization.

12603263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9336.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 12603263 is about 3550.1074631622. The cubic root of 12603263 is about 232.7167624287.

Adding to 12603263 its reverse (36230621), we get a palindrome (48833884).

The spelling of 12603263 in words is "twelve million, six hundred three thousand, two hundred sixty-three".