12646316 has 6 divisors (see below), whose sum is σ = 22131060. Its totient is φ = 6323156.

The previous prime is 12646313. The next prime is 12646331. The reversal of 12646316 is 61364621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12646313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580786 + ... + 1580793.

It is an arithmetic number, because the mean of its divisors is an integer number (3688510).

Almost surely, 2^12646316 is an apocalyptic number.

It is an amenable number.

12646316 is a deficient number, since it is larger than the sum of its proper divisors (9484744).

12646316 is a wasteful number, since it uses less digits than its factorization.

12646316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161583 (or 3161581 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 12646316 is about 3556.1659128899. The cubic root of 12646316 is about 232.9814496458.

The spelling of 12646316 in words is "twelve million, six hundred forty-six thousand, three hundred sixteen".