10717209 has 12 divisors (see below), whose sum is σ = 15668016. Its totient is φ = 7058232.

The previous prime is 10717169. The next prime is 10717243. The reversal of 10717209 is 90271701.

It is not a de Polignac number, because 10717209 - 2⁹ = 10716697 is a prime.

It is a super-2 number, since 2×10717209² = 229717137499362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10717249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6427 + ... + 7920.

It is an arithmetic number, because the mean of its divisors is an integer number (1305668).

Almost surely, 2^10717209 is an apocalyptic number.

It is an amenable number.

10717209 is a deficient number, since it is larger than the sum of its proper divisors (4950807).

10717209 is a wasteful number, since it uses less digits than its factorization.

10717209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14436 (or 14433 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 10717209 is about 3273.7148623544. The cubic root of 10717209 is about 220.4756170302.

The spelling of 10717209 in words is "ten million, seven hundred seventeen thousand, two hundred nine".