1286066 has 8 divisors (see below), whose sum is σ = 1991424. Its totient is φ = 622260.

The previous prime is 1286039. The next prime is 1286071. The reversal of 1286066 is 6606821.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10310 + ... + 10433.

It is an arithmetic number, because the mean of its divisors is an integer number (248928).

2^1286066 is an apocalyptic number.

1286066 is a deficient number, since it is larger than the sum of its proper divisors (705358).

1286066 is a wasteful number, since it uses less digits than its factorization.

1286066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20776.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1286066 is about 1134.0484998447. The cubic root of 1286066 is about 108.7479516944.

The spelling of 1286066 in words is "one million, two hundred eighty-six thousand, sixty-six".