12646996 has 6 divisors (see below), whose sum is σ = 22132250. Its totient is φ = 6323496.

The previous prime is 12646981. The next prime is 12647003. The reversal of 12646996 is 69964621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10150596 + 2496400 = 3186^2 + 1580^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580871 + ... + 1580878.

Almost surely, 2^12646996 is an apocalyptic number.

It is an amenable number.

12646996 is a deficient number, since it is larger than the sum of its proper divisors (9485254).

12646996 is a wasteful number, since it uses less digits than its factorization.

12646996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161753 (or 3161751 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 12646996 is about 3556.2615201922. The cubic root of 12646996 is about 232.9856254218.

The spelling of 12646996 in words is "twelve million, six hundred forty-six thousand, nine hundred ninety-six".