12634718 has 8 divisors (see below), whose sum is σ = 18971112. Its totient is φ = 6311016.

The previous prime is 12634717. The next prime is 12634729. The reversal of 12634718 is 81743621.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12634711) 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 3 ways as a sum of consecutive naturals, for example, 80 + ... + 5027.

It is an arithmetic number, because the mean of its divisors is an integer number (2371389).

Almost surely, 2^12634718 is an apocalyptic number.

12634718 is a deficient number, since it is larger than the sum of its proper divisors (6336394).

12634718 is a wasteful number, since it uses less digits than its factorization.

12634718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6346.

The product of its digits is 8064, while the sum is 32.

The square root of 12634718 is about 3554.5348500191. The cubic root of 12634718 is about 232.9102050421.

The spelling of 12634718 in words is "twelve million, six hundred thirty-four thousand, seven hundred eighteen".