12964636 has 6 divisors (see below), whose sum is σ = 22688120. Its totient is φ = 6482316.

The previous prime is 12964619. The next prime is 12964643. The reversal of 12964636 is 63646921.

It is a happy number.

12964636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12964636² = 336163573224992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12964595 and 12964604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620576 + ... + 1620583.

Almost surely, 2^12964636 is an apocalyptic number.

It is an amenable number.

12964636 is a deficient number, since it is larger than the sum of its proper divisors (9723484).

12964636 is a wasteful number, since it uses less digits than its factorization.

12964636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241163 (or 3241161 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 12964636 is about 3600.6438313168. The cubic root of 12964636 is about 234.9200633509.

The spelling of 12964636 in words is "twelve million, nine hundred sixty-four thousand, six hundred thirty-six".