12634818 has 32 divisors (see below), whose sum is σ = 29008896. Its totient is φ = 3593808.

The previous prime is 12634799. The next prime is 12634861. The reversal of 12634818 is 81843621.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11355 + ... + 12417.

It is an arithmetic number, because the mean of its divisors is an integer number (906528).

Almost surely, 2^12634818 is an apocalyptic number.

12634818 is an abundant number, since it is smaller than the sum of its proper divisors (16374078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12634818 is a wasteful number, since it uses less digits than its factorization.

12634818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358.

The product of its digits is 9216, while the sum is 33.

The square root of 12634818 is about 3554.5489165294. The cubic root of 12634818 is about 232.9108195119.

The spelling of 12634818 in words is "twelve million, six hundred thirty-four thousand, eight hundred eighteen".