12633005 has 48 divisors (see below), whose sum is σ = 20173440. Its totient is φ = 7413120.

The previous prime is 12633001. The next prime is 12633007. The reversal of 12633005 is 50033621.

It is not a de Polignac number, because 12633005 - 2² = 12633001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12633001) 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 47 ways as a sum of consecutive naturals, for example, 80387 + ... + 80543.

It is an arithmetic number, because the mean of its divisors is an integer number (420280).

Almost surely, 2^12633005 is an apocalyptic number.

It is an amenable number.

12633005 is a deficient number, since it is larger than the sum of its proper divisors (7540435).

12633005 is a wasteful number, since it uses less digits than its factorization.

12633005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 12633005 is about 3554.2938820531. The cubic root of 12633005 is about 232.8996786704.

Adding to 12633005 its reverse (50033621), we get a palindrome (62666626).

The spelling of 12633005 in words is "twelve million, six hundred thirty-three thousand, five".