10207217 has 12 divisors (see below), whose sum is σ = 10817820. Its totient is φ = 9627072.

The previous prime is 10207201. The next prime is 10207229. The reversal of 10207217 is 71270201.

It can be written as a sum of positive squares in 6 ways, for example, as 1540081 + 8667136 = 1241^2 + 2944^2 .

It is not a de Polignac number, because 10207217 - 2⁴ = 10207201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10207247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44459 + ... + 44687.

It is an arithmetic number, because the mean of its divisors is an integer number (901485).

Almost surely, 2^10207217 is an apocalyptic number.

It is an amenable number.

10207217 is a deficient number, since it is larger than the sum of its proper divisors (610603).

10207217 is an equidigital number, since it uses as much as digits as its factorization.

10207217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 10207217 is about 3194.8735499234. The cubic root of 10207217 is about 216.9214252530.

Adding to 10207217 its reverse (71270201), we get a palindrome (81477418).

The spelling of 10207217 in words is "ten million, two hundred seven thousand, two hundred seventeen".