10706209 has 8 divisors (see below), whose sum is σ = 11643048. Its totient is φ = 9803520.

The previous prime is 10706167. The next prime is 10706221. The reversal of 10706209 is 90260701.

10706209 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8294400 + 2411809 = 2880^2 + 1553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10706209 - 2¹⁷ = 10575137 is a prime.

It is a super-2 number, since 2×10706209² = 229245822303362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10706239) 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 in 7 ways as a sum of consecutive naturals, for example, 7882 + ... + 9139.

It is an arithmetic number, because the mean of its divisors is an integer number (1455381).

Almost surely, 2^10706209 is an apocalyptic number.

It is an amenable number.

10706209 is a deficient number, since it is larger than the sum of its proper divisors (936839).

10706209 is a wasteful number, since it uses less digits than its factorization.

10706209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17075.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 10706209 is about 3272.0343824599. The cubic root of 10706209 is about 220.4001601333.

The spelling of 10706209 in words is "ten million, seven hundred six thousand, two hundred nine".