10917187 has 2 divisors, whose sum is σ = 10917188. Its totient is φ = 10917186.

The previous prime is 10917169. The next prime is 10917209. The reversal of 10917187 is 78171901.

It is a weak prime.

It is an emirp because it is prime and its reverse (78171901) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10917187 is a prime.

It is not a weakly prime, because it can be changed into another prime (10917107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5458593 + 5458594.

It is an arithmetic number, because the mean of its divisors is an integer number (5458594).

Almost surely, 2^10917187 is an apocalyptic number.

10917187 is a deficient number, since it is larger than the sum of its proper divisors (1).

10917187 is an equidigital number, since it uses as much as digits as its factorization.

10917187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 34.

The square root of 10917187 is about 3304.1166746954. The cubic root of 10917187 is about 221.8384981809.

The spelling of 10917187 in words is "ten million, nine hundred seventeen thousand, one hundred eighty-seven".