1266684 has 12 divisors (see below), whose sum is σ = 2955624. Its totient is φ = 422224.

The previous prime is 1266677. The next prime is 1266719. The reversal of 1266684 is 4866621.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52767 + ... + 52790.

It is an arithmetic number, because the mean of its divisors is an integer number (246302).

2^1266684 is an apocalyptic number.

It is an amenable number.

1266684 is an abundant number, since it is smaller than the sum of its proper divisors (1688940).

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

1266684 is a wasteful number, since it uses less digits than its factorization.

1266684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105564 (or 105562 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 1266684 is about 1125.4705682513. The cubic root of 1266684 is about 108.1988790866.

The spelling of 1266684 in words is "one million, two hundred sixty-six thousand, six hundred eighty-four".