12288634 has 8 divisors (see below), whose sum is σ = 19068660. Its totient is φ = 5932416.

The previous prime is 12288631. The next prime is 12288659. The reversal of 12288634 is 43688221.

It can be written as a sum of positive squares in 2 ways, for example, as 11730625 + 558009 = 3425^2 + 747^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12288634.

It is not an unprimeable number, because it can be changed into a prime (12288631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105879 + ... + 105994.

Almost surely, 2^12288634 is an apocalyptic number.

12288634 is a deficient number, since it is larger than the sum of its proper divisors (6780026).

12288634 is a wasteful number, since it uses less digits than its factorization.

12288634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211904.

The product of its digits is 18432, while the sum is 34.

The square root of 12288634 is about 3505.5147981431. The cubic root of 12288634 is about 230.7638998712.

The spelling of 12288634 in words is "twelve million, two hundred eighty-eight thousand, six hundred thirty-four".