1288206 has 24 divisors (see below), whose sum is σ = 2840760. Its totient is φ = 421776.

The previous prime is 1288201. The next prime is 1288213. The reversal of 1288206 is 6028821.

It is a self number, because there is not a number n which added to its sum of digits gives 1288206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1288201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 456 + ... + 1668.

It is an arithmetic number, because the mean of its divisors is an integer number (118365).

2^1288206 is an apocalyptic number.

1288206 is an abundant number, since it is smaller than the sum of its proper divisors (1552554).

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

1288206 is a wasteful number, since it uses less digits than its factorization.

1288206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1277 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1288206 is about 1134.9916299251. The cubic root of 1288206 is about 108.8082367431.

The spelling of 1288206 in words is "one million, two hundred eighty-eight thousand, two hundred six".