1280006 has 24 divisors (see below), whose sum is σ = 2380464. Its totient is φ = 505440.

The previous prime is 1279997. The next prime is 1280023. The reversal of 1280006 is 6000821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2096 + ... + 2636.

It is an arithmetic number, because the mean of its divisors is an integer number (99186).

2^1280006 is an apocalyptic number.

1280006 is a deficient number, since it is larger than the sum of its proper divisors (1100458).

1280006 is a wasteful number, since it uses less digits than its factorization.

1280006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1280006 is about 1131.3735015458. The cubic root of 1280006 is about 108.5768743146.

Adding to 1280006 its reverse (6000821), we get a palindrome (7280827).

The spelling of 1280006 in words is "one million, two hundred eighty thousand, six".