1266366 has 8 divisors (see below), whose sum is σ = 2532744. Its totient is φ = 422120.

The previous prime is 1266359. The next prime is 1266371. The reversal of 1266366 is 6636621.

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

1266366 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105525 + ... + 105536.

It is an arithmetic number, because the mean of its divisors is an integer number (316593).

2^1266366 is an apocalyptic number.

1266366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1266366 is a wasteful number, since it uses less digits than its factorization.

1266366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211066.

The product of its digits is 7776, while the sum is 30.

The square root of 1266366 is about 1125.3292851428. The cubic root of 1266366 is about 108.1898239149.

The spelling of 1266366 in words is "one million, two hundred sixty-six thousand, three hundred sixty-six".