12717634 has 8 divisors (see below), whose sum is σ = 19094220. Its totient is φ = 6352896.

The previous prime is 12717623. The next prime is 12717647. The reversal of 12717634 is 43671721.

It can be written as a sum of positive squares in 2 ways, for example, as 7209225 + 5508409 = 2685^2 + 2347^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12717596 and 12717605.

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, 562 + ... + 5074.

Almost surely, 2^12717634 is an apocalyptic number.

12717634 is a deficient number, since it is larger than the sum of its proper divisors (6376586).

12717634 is a wasteful number, since it uses less digits than its factorization.

12717634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5924.

The product of its digits is 7056, while the sum is 31.

The square root of 12717634 is about 3566.1791878704. The cubic root of 12717634 is about 233.4185897065.

The spelling of 12717634 in words is "twelve million, seven hundred seventeen thousand, six hundred thirty-four".