9212065 has 4 divisors (see below), whose sum is σ = 11054484. Its totient is φ = 7369648.

The previous prime is 9212059. The next prime is 9212069. The reversal of 9212065 is 5602129.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4835601 + 4376464 = 2199^2 + 2092^2 .

It is a cyclic number.

It is not a de Polignac number, because 9212065 - 2⁵ = 9212033 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9212069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921202 + ... + 921211.

It is an arithmetic number, because the mean of its divisors is an integer number (2763621).

Almost surely, 2^9212065 is an apocalyptic number.

It is an amenable number.

9212065 is a deficient number, since it is larger than the sum of its proper divisors (1842419).

9212065 is a wasteful number, since it uses less digits than its factorization.

9212065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842418.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 9212065 is about 3035.1383823477. The cubic root of 9212065 is about 209.6294675394.

The spelling of 9212065 in words is "nine million, two hundred twelve thousand, sixty-five".