12634317 has 6 divisors (see below), whose sum is σ = 18249582. Its totient is φ = 8422872.

The previous prime is 12634313. The next prime is 12634327. The reversal of 12634317 is 71343621.

12634317 is a `hidden beast` number, since 12 + 634 + 3 + 17 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12489156 + 145161 = 3534^2 + 381^2 .

It is not a de Polignac number, because 12634317 - 2² = 12634313 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12634313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 701898 + ... + 701915.

It is an arithmetic number, because the mean of its divisors is an integer number (3041597).

Almost surely, 2^12634317 is an apocalyptic number.

It is an amenable number.

12634317 is a deficient number, since it is larger than the sum of its proper divisors (5615265).

12634317 is a wasteful number, since it uses less digits than its factorization.

12634317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403819 (or 1403816 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 12634317 is about 3554.4784427536. The cubic root of 12634317 is about 232.9077409855.

Adding to 12634317 its reverse (71343621), we get a palindrome (83977938).

It can be divided in two parts, 126 and 34317, that added together give a palindrome (34443).

The spelling of 12634317 in words is "twelve million, six hundred thirty-four thousand, three hundred seventeen".