10866997 has 2 divisors, whose sum is σ = 10866998. Its totient is φ = 10866996.

The previous prime is 10866991. The next prime is 10867039. The reversal of 10866997 is 79966801.

10866997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9326916 + 1540081 = 3054^2 + 1241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10866997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10866991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5433498 + 5433499.

It is an arithmetic number, because the mean of its divisors is an integer number (5433499).

Almost surely, 2^10866997 is an apocalyptic number.

It is an amenable number.

10866997 is a deficient number, since it is larger than the sum of its proper divisors (1).

10866997 is an equidigital number, since it uses as much as digits as its factorization.

10866997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 10866997 is about 3296.5128545176. The cubic root of 10866997 is about 221.4980203544.

The spelling of 10866997 in words is "ten million, eight hundred sixty-six thousand, nine hundred ninety-seven".