1288284 has 12 divisors (see below), whose sum is σ = 3006024. Its totient is φ = 429424.

The previous prime is 1288249. The next prime is 1288291. The reversal of 1288284 is 4828821.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 53667 + ... + 53690.

It is an arithmetic number, because the mean of its divisors is an integer number (250502).

2^1288284 is an apocalyptic number.

It is an amenable number.

1288284 is an abundant number, since it is smaller than the sum of its proper divisors (1717740).

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

1288284 is a wasteful number, since it uses less digits than its factorization.

1288284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107364 (or 107362 counting only the distinct ones).

The product of its digits is 8192, while the sum is 33.

The square root of 1288284 is about 1135.0259908918. The cubic root of 1288284 is about 108.8104327871.

The spelling of 1288284 in words is "one million, two hundred eighty-eight thousand, two hundred eighty-four".