10668647 has 4 divisors (see below), whose sum is σ = 11638536. Its totient is φ = 9698760.

The previous prime is 10668643. The next prime is 10668653. The reversal of 10668647 is 74686601.

10668647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10668647 - 2² = 10668643 is a prime.

It is a super-2 number, since 2×10668647² = 227640057621218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10668647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10668641) 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, 484928 + ... + 484949.

It is an arithmetic number, because the mean of its divisors is an integer number (2909634).

Almost surely, 2^10668647 is an apocalyptic number.

10668647 is a deficient number, since it is larger than the sum of its proper divisors (969889).

10668647 is an equidigital number, since it uses as much as digits as its factorization.

10668647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969888.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 10668647 is about 3266.2894850273. The cubic root of 10668647 is about 220.1421051596.

The spelling of 10668647 in words is "ten million, six hundred sixty-eight thousand, six hundred forty-seven".