1266976 has 36 divisors (see below), whose sum is σ = 2669058. Its totient is φ = 591872.

The previous prime is 1266953. The next prime is 1267009. The reversal of 1266976 is 6796621.

It can be written as a sum of positive squares in 3 ways, for example, as 1263376 + 3600 = 1124^2 + 60^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

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, 9180 + ... + 9316.

2^1266976 is an apocalyptic number.

1266976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1266976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1334529).

1266976 is an abundant number, since it is smaller than the sum of its proper divisors (1402082).

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

1266976 is a wasteful number, since it uses less digits than its factorization.

1266976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 156 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 1266976 is about 1125.6002842928. The cubic root of 1266976 is about 108.2071925637.

The spelling of 1266976 in words is "one million, two hundred sixty-six thousand, nine hundred seventy-six".