1266984 has 24 divisors (see below), whose sum is σ = 3431610. Its totient is φ = 422304.

The previous prime is 1266953. The next prime is 1267009. The reversal of 1266984 is 4896621.

It can be written as a sum of positive squares in only one way, i.e., 1258884 + 8100 = 1122^2 + 90^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8727 + ... + 8870.

2^1266984 is an apocalyptic number.

It is an amenable number.

1266984 is an abundant number, since it is smaller than the sum of its proper divisors (2164626).

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

1266984 is a wasteful number, since it uses less digits than its factorization.

1266984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17609 (or 17602 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 1266984 is about 1125.6038379465. The cubic root of 1266984 is about 108.2074203122.

The spelling of 1266984 in words is "one million, two hundred sixty-six thousand, nine hundred eighty-four".