12315263 has 4 divisors (see below), whose sum is σ = 12332208. Its totient is φ = 12298320.

The previous prime is 12315253. The next prime is 12315271. The reversal of 12315263 is 36251321.

12315263 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12315263 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 (12315223) 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, 7331 + ... + 8852.

It is an arithmetic number, because the mean of its divisors is an integer number (3083052).

Almost surely, 2^12315263 is an apocalyptic number.

12315263 is a deficient number, since it is larger than the sum of its proper divisors (16945).

12315263 is an equidigital number, since it uses as much as digits as its factorization.

12315263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16944.

The product of its digits is 1080, while the sum is 23.

The square root of 12315263 is about 3509.3109010175. The cubic root of 12315263 is about 230.9304651313.

Adding to 12315263 its reverse (36251321), we get a palindrome (48566584).

The spelling of 12315263 in words is "twelve million, three hundred fifteen thousand, two hundred sixty-three".