12635321 has 8 divisors (see below), whose sum is σ = 13161984. Its totient is φ = 12116160.

The previous prime is 12635299. The next prime is 12635341. The reversal of 12635321 is 12353621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12635321 - 2¹⁴ = 12618937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12635341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1700 + ... + 5306.

It is an arithmetic number, because the mean of its divisors is an integer number (1645248).

Almost surely, 2^12635321 is an apocalyptic number.

It is an amenable number.

12635321 is a deficient number, since it is larger than the sum of its proper divisors (526663).

12635321 is a wasteful number, since it uses less digits than its factorization.

12635321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3751.

The product of its digits is 1080, while the sum is 23.

The square root of 12635321 is about 3554.6196702320. The cubic root of 12635321 is about 232.9139102460.

Adding to 12635321 its reverse (12353621), we get a palindrome (24988942).

The spelling of 12635321 in words is "twelve million, six hundred thirty-five thousand, three hundred twenty-one".