1266668 has 12 divisors (see below), whose sum is σ = 2387280. Its totient is φ = 584592.

The previous prime is 1266631. The next prime is 1266677. The reversal of 1266668 is 8666621.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12128 + ... + 12231.

It is an arithmetic number, because the mean of its divisors is an integer number (198940).

2^1266668 is an apocalyptic number.

It is an amenable number.

1266668 is a deficient number, since it is larger than the sum of its proper divisors (1120612).

1266668 is a wasteful number, since it uses less digits than its factorization.

1266668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24376 (or 24374 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 1266668 is about 1125.4634600910. The cubic root of 1266668 is about 108.1984235167.

The spelling of 1266668 in words is "one million, two hundred sixty-six thousand, six hundred sixty-eight".