12634918 has 8 divisors (see below), whose sum is σ = 19563840. Its totient is φ = 6113640.

The previous prime is 12634901. The next prime is 12634931. The reversal of 12634918 is 81943621.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101833 + ... + 101956.

It is an arithmetic number, because the mean of its divisors is an integer number (2445480).

Almost surely, 2^12634918 is an apocalyptic number.

12634918 is a deficient number, since it is larger than the sum of its proper divisors (6928922).

12634918 is a wasteful number, since it uses less digits than its factorization.

12634918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203822.

The product of its digits is 10368, while the sum is 34.

The square root of 12634918 is about 3554.5629829840. The cubic root of 12634918 is about 232.9114339785.

The spelling of 12634918 in words is "twelve million, six hundred thirty-four thousand, nine hundred eighteen".