12888668 has 24 divisors (see below), whose sum is σ = 24707760. Its totient is φ = 5846400.

The previous prime is 12888643. The next prime is 12888677. The reversal of 12888668 is 86688821.

It is a super-4 number, since 4×12888668⁴ (a number of 30 digits) contains 4444 as substring. Note that it is a super-d number also for d = 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 in 7 ways as a sum of consecutive naturals, for example, 968 + ... + 5168.

It is an arithmetic number, because the mean of its divisors is an integer number (1029490).

Almost surely, 2^12888668 is an apocalyptic number.

It is an amenable number.

12888668 is a deficient number, since it is larger than the sum of its proper divisors (11819092).

12888668 is a wasteful number, since it uses less digits than its factorization.

12888668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4277 (or 4275 counting only the distinct ones).

The product of its digits is 294912, while the sum is 47.

The square root of 12888668 is about 3590.0791077635. The cubic root of 12888668 is about 234.4603157964.

The spelling of 12888668 in words is "twelve million, eight hundred eighty-eight thousand, six hundred sixty-eight".