1266936 has 32 divisors (see below), whose sum is σ = 3456000. Its totient is φ = 383840.

The previous prime is 1266931. The next prime is 1266943. The reversal of 1266936 is 6396621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1266897 and 1266906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2136 + ... + 2663.

It is an arithmetic number, because the mean of its divisors is an integer number (108000).

2^1266936 is an apocalyptic number.

It is an amenable number.

1266936 is an abundant number, since it is smaller than the sum of its proper divisors (2189064).

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

1266936 is a wasteful number, since it uses less digits than its factorization.

1266936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4819 (or 4815 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 1266936 is about 1125.5825158557. The cubic root of 1266936 is about 108.2060538067.

The spelling of 1266936 in words is "one million, two hundred sixty-six thousand, nine hundred thirty-six".