12516263 has 2 divisors, whose sum is σ = 12516264. Its totient is φ = 12516262.

The previous prime is 12516253. The next prime is 12516271. The reversal of 12516263 is 36261521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12516263 - 2⁴ = 12516247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12516253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6258131 + 6258132.

It is an arithmetic number, because the mean of its divisors is an integer number (6258132).

Almost surely, 2^12516263 is an apocalyptic number.

12516263 is a deficient number, since it is larger than the sum of its proper divisors (1).

12516263 is an equidigital number, since it uses as much as digits as its factorization.

12516263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 12516263 is about 3537.8330938584. The cubic root of 12516263 is about 232.1800462753.

Adding to 12516263 its reverse (36261521), we get a palindrome (48777784).

The spelling of 12516263 in words is "twelve million, five hundred sixteen thousand, two hundred sixty-three".