1266886 has 8 divisors (see below), whose sum is σ = 1983024. Its totient is φ = 605880.

The previous prime is 1266883. The next prime is 1266893. The reversal of 1266886 is 6886621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13725 + ... + 13816.

It is an arithmetic number, because the mean of its divisors is an integer number (247878).

2^1266886 is an apocalyptic number.

1266886 is a deficient number, since it is larger than the sum of its proper divisors (716138).

1266886 is a wasteful number, since it uses less digits than its factorization.

1266886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27566.

The product of its digits is 27648, while the sum is 37.

The square root of 1266886 is about 1125.5603049148. The cubic root of 1266886 is about 108.2046303268.

The spelling of 1266886 in words is "one million, two hundred sixty-six thousand, eight hundred eighty-six".