12634529 has 4 divisors (see below), whose sum is σ = 12776580. Its totient is φ = 12492480.

The previous prime is 12634481. The next prime is 12634537. The reversal of 12634529 is 92543621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3055504 + 9579025 = 1748^2 + 3095^2 .

It is a cyclic number.

It is not a de Polignac number, because 12634529 - 2¹⁶ = 12568993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12634495 and 12634504.

It is not an unprimeable number, because it can be changed into a prime (12634579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70892 + ... + 71069.

It is an arithmetic number, because the mean of its divisors is an integer number (3194145).

Almost surely, 2^12634529 is an apocalyptic number.

It is an amenable number.

12634529 is a deficient number, since it is larger than the sum of its proper divisors (142051).

12634529 is an equidigital number, since it uses as much as digits as its factorization.

12634529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142050.

The product of its digits is 12960, while the sum is 32.

The square root of 12634529 is about 3554.5082641626. The cubic root of 12634529 is about 232.9090436853.

The spelling of 12634529 in words is "twelve million, six hundred thirty-four thousand, five hundred twenty-nine".