12516253 has 2 divisors, whose sum is σ = 12516254. Its totient is φ = 12516252.

The previous prime is 12516247. The next prime is 12516263. The reversal of 12516253 is 35261521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11471769 + 1044484 = 3387^2 + 1022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12516253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12516263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6258126 + 6258127.

It is an arithmetic number, because the mean of its divisors is an integer number (6258127).

Almost surely, 2^12516253 is an apocalyptic number.

It is an amenable number.

12516253 is a deficient number, since it is larger than the sum of its proper divisors (1).

12516253 is an equidigital number, since it uses as much as digits as its factorization.

12516253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 25.

The square root of 12516253 is about 3537.8316805637. The cubic root of 12516253 is about 232.1799844411.

Adding to 12516253 its reverse (35261521), we get a palindrome (47777774).

It can be divided in two parts, 12516 and 253, that added together give a square (12769 = 113²).

The spelling of 12516253 in words is "twelve million, five hundred sixteen thousand, two hundred fifty-three".