12664208 has 20 divisors (see below), whose sum is σ = 24678108. Its totient is φ = 6295680.

The previous prime is 12664207. The next prime is 12664217. The reversal of 12664208 is 80246621.

It can be written as a sum of positive squares in 2 ways, for example, as 2729104 + 9935104 = 1652^2 + 3152^2 .

It is a super-3 number, since 3×12664208³ (a number of 22 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12664207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710 + ... + 5082.

Almost surely, 2^12664208 is an apocalyptic number.

It is an amenable number.

12664208 is a deficient number, since it is larger than the sum of its proper divisors (12013900).

12664208 is a wasteful number, since it uses less digits than its factorization.

12664208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4562 (or 4556 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 12664208 is about 3558.6806543999. The cubic root of 12664208 is about 233.0912718733.

The spelling of 12664208 in words is "twelve million, six hundred sixty-four thousand, two hundred eight".