10668247 has 16 divisors (see below), whose sum is σ = 11556864. Its totient is φ = 9828000.

The previous prime is 10668223. The next prime is 10668263. The reversal of 10668247 is 74286601.

10668247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10668247 is a prime.

It is a super-2 number, since 2×10668247² = 227622988106018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10668277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81372 + ... + 81502.

It is an arithmetic number, because the mean of its divisors is an integer number (722304).

Almost surely, 2^10668247 is an apocalyptic number.

10668247 is a deficient number, since it is larger than the sum of its proper divisors (888617).

10668247 is a wasteful number, since it uses less digits than its factorization.

10668247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 10668247 is about 3266.2282528935. The cubic root of 10668247 is about 220.1393538597.

The spelling of 10668247 in words is "ten million, six hundred sixty-eight thousand, two hundred forty-seven".