8712266 has 4 divisors (see below), whose sum is σ = 13068402. Its totient is φ = 4356132.

The previous prime is 8712259. The next prime is 8712269. The reversal of 8712266 is 6622178.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6622178 = 2 ⋅3311089.

It can be written as a sum of positive squares in only one way, i.e., 8579041 + 133225 = 2929^2 + 365^2 .

It is not an unprimeable number, because it can be changed into a prime (8712269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2178065 + ... + 2178068.

Almost surely, 2^8712266 is an apocalyptic number.

8712266 is a deficient number, since it is larger than the sum of its proper divisors (4356136).

8712266 is a wasteful number, since it uses less digits than its factorization.

8712266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4356135.

The product of its digits is 8064, while the sum is 32.

The square root of 8712266 is about 2951.6547901135. The cubic root of 8712266 is about 205.7676237262.

The spelling of 8712266 in words is "eight million, seven hundred twelve thousand, two hundred sixty-six".