12634517 has 16 divisors (see below), whose sum is σ = 15100800. Its totient is φ = 10342080.

The previous prime is 12634481. The next prime is 12634537. The reversal of 12634517 is 71543621.

It is not a de Polignac number, because 12634517 - 2²⁰ = 11585941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12634517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12634537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21842 + ... + 22412.

It is an arithmetic number, because the mean of its divisors is an integer number (943800).

Almost surely, 2^12634517 is an apocalyptic number.

It is an amenable number.

12634517 is a deficient number, since it is larger than the sum of its proper divisors (2466283).

12634517 is a wasteful number, since it uses less digits than its factorization.

12634517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716.

The product of its digits is 5040, while the sum is 29.

The square root of 12634517 is about 3554.5065761650. The cubic root of 12634517 is about 232.9089699479.

It can be divided in two parts, 126 and 34517, that added together give a palindrome (34643).

The spelling of 12634517 in words is "twelve million, six hundred thirty-four thousand, five hundred seventeen".