266712 has 16 divisors (see below), whose sum is σ = 666840. Its totient is φ = 88896.

The previous prime is 266711. The next prime is 266719. The reversal of 266712 is 217662.

It is a happy number.

It is a super-2 number, since 2×266712² = 142270581888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 11113 = 266712 / (2 + 6 + 6 + 7 + 1 + 2).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 266712.

It is not an unprimeable number, because it can be changed into a prime (266711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5533 + ... + 5580.

2²⁶⁶⁷¹² is an apocalyptic number.

It is an amenable number.

266712 is an abundant number, since it is smaller than the sum of its proper divisors (400128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266712 is a wasteful number, since it uses less digits than its factorization.

266712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11122 (or 11118 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 266712 is about 516.4416714403. The cubic root of 266712 is about 64.3696061714.

The spelling of 266712 in words is "two hundred sixty-six thousand, seven hundred twelve".