12517263 has 24 divisors (see below), whose sum is σ = 20067840. Its totient is φ = 7454160.

The previous prime is 12517249. The next prime is 12517277. The reversal of 12517263 is 36271521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12517249) and next prime (12517277).

It is not a de Polignac number, because 12517263 - 2⁵ = 12517231 is a prime.

It is a super-2 number, since 2×12517263² = 313363746022338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12517243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4770 + ... + 6912.

It is an arithmetic number, because the mean of its divisors is an integer number (836160).

Almost surely, 2^12517263 is an apocalyptic number.

12517263 is a deficient number, since it is larger than the sum of its proper divisors (7550577).

12517263 is a wasteful number, since it uses less digits than its factorization.

12517263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219 (or 2216 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 12517263 is about 3537.9744204841. The cubic root of 12517263 is about 232.1862295337.

Adding to 12517263 its reverse (36271521), we get a palindrome (48788784).

The spelling of 12517263 in words is "twelve million, five hundred seventeen thousand, two hundred sixty-three".