12662668 has 6 divisors (see below), whose sum is σ = 22159676. Its totient is φ = 6331332.

The previous prime is 12662659. The next prime is 12662681. The reversal of 12662668 is 86626621.

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, 1582830 + ... + 1582837.

Almost surely, 2^12662668 is an apocalyptic number.

It is an amenable number.

12662668 is a deficient number, since it is larger than the sum of its proper divisors (9497008).

12662668 is a wasteful number, since it uses less digits than its factorization.

12662668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165671 (or 3165669 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 12662668 is about 3558.4642754986. The cubic root of 12662668 is about 233.0818233258.

The spelling of 12662668 in words is "twelve million, six hundred sixty-two thousand, six hundred sixty-eight".