12633091 has 4 divisors (see below), whose sum is σ = 13376232. Its totient is φ = 11889952.

The previous prime is 12633077. The next prime is 12633097. The reversal of 12633091 is 19033621.

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

It is a cyclic number.

It is not a de Polignac number, because 12633091 - 2⁵ = 12633059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12633097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371545 + ... + 371578.

It is an arithmetic number, because the mean of its divisors is an integer number (3344058).

Almost surely, 2^12633091 is an apocalyptic number.

12633091 is a deficient number, since it is larger than the sum of its proper divisors (743141).

12633091 is an equidigital number, since it uses as much as digits as its factorization.

12633091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743140.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 12633091 is about 3554.3059800754. The cubic root of 12633091 is about 232.9002071624.

The spelling of 12633091 in words is "twelve million, six hundred thirty-three thousand, ninety-one".