12164644 has 6 divisors (see below), whose sum is σ = 21288134. Its totient is φ = 6082320.

The previous prime is 12164629. The next prime is 12164653. The reversal of 12164644 is 44646121.

12164644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11902500 + 262144 = 3450^2 + 512^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1520577 + ... + 1520584.

Almost surely, 2^12164644 is an apocalyptic number.

It is an amenable number.

12164644 is a deficient number, since it is larger than the sum of its proper divisors (9123490).

12164644 is a wasteful number, since it uses less digits than its factorization.

12164644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041165 (or 3041163 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 12164644 is about 3487.7849704361. The cubic root of 12164644 is about 229.9851534210.

The spelling of 12164644 in words is "twelve million, one hundred sixty-four thousand, six hundred forty-four".