12634536 has 64 divisors (see below), whose sum is σ = 33825600. Its totient is φ = 3918848.

The previous prime is 12634481. The next prime is 12634537. The reversal of 12634536 is 63543621.

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, 70495 + ... + 70673.

It is an arithmetic number, because the mean of its divisors is an integer number (528525).

Almost surely, 2^12634536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12634536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16912800).

12634536 is an abundant number, since it is smaller than the sum of its proper divisors (21191064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12634536 is a wasteful number, since it uses less digits than its factorization.

12634536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 374 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 12634536 is about 3554.5092488275. The cubic root of 12634536 is about 232.9090866987.

The spelling of 12634536 in words is "twelve million, six hundred thirty-four thousand, five hundred thirty-six".