10668613 has 2 divisors, whose sum is σ = 10668614. Its totient is φ = 10668612.

The previous prime is 10668599. The next prime is 10668629. The reversal of 10668613 is 31686601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9375844 + 1292769 = 3062^2 + 1137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10668613 is a prime.

It is a super-2 number, since 2×10668613² = 227638606687538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10668643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5334306 + 5334307.

It is an arithmetic number, because the mean of its divisors is an integer number (5334307).

Almost surely, 2^10668613 is an apocalyptic number.

It is an amenable number.

10668613 is a deficient number, since it is larger than the sum of its proper divisors (1).

10668613 is an equidigital number, since it uses as much as digits as its factorization.

10668613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 10668613 is about 3266.2842803406. The cubic root of 10668613 is about 220.1418713018.

The spelling of 10668613 in words is "ten million, six hundred sixty-eight thousand, six hundred thirteen".