1266336 has 36 divisors (see below), whose sum is σ = 3601962. Its totient is φ = 422016.

The previous prime is 1266323. The next prime is 1266337. The reversal of 1266336 is 6336621.

1266336 is a `hidden beast` number, since 1 + 26 + 633 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1089936 + 176400 = 1044^2 + 420^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (1266337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1911 + ... + 2486.

2^1266336 is an apocalyptic number.

1266336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1266336 is an abundant number, since it is smaller than the sum of its proper divisors (2335626).

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

1266336 is a wasteful number, since it uses less digits than its factorization.

1266336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4413 (or 4402 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 1266336 is about 1125.3159556320. The cubic root of 1266336 is about 108.1889695752.

The spelling of 1266336 in words is "one million, two hundred sixty-six thousand, three hundred thirty-six".