10866013 has 2 divisors, whose sum is σ = 10866014. Its totient is φ = 10866012.

The previous prime is 10866001. The next prime is 10866017. The reversal of 10866013 is 31066801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6017209 + 4848804 = 2453^2 + 2202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10866013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10866017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5433006 + 5433007.

It is an arithmetic number, because the mean of its divisors is an integer number (5433007).

Almost surely, 2^10866013 is an apocalyptic number.

It is an amenable number.

10866013 is a deficient number, since it is larger than the sum of its proper divisors (1).

10866013 is an equidigital number, since it uses as much as digits as its factorization.

10866013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 10866013 is about 3296.3636025172. The cubic root of 10866013 is about 221.4913346487.

The spelling of 10866013 in words is "ten million, eight hundred sixty-six thousand, thirteen".