1288288 has 24 divisors (see below), whose sum is σ = 2564352. Its totient is φ = 637056.

The previous prime is 1288249. The next prime is 1288291. The reversal of 1288288 is 8828821.

It is a nude number because it is divisible by every one of its digits.

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, 3906 + ... + 4222.

It is an arithmetic number, because the mean of its divisors is an integer number (106848).

2^1288288 is an apocalyptic number.

It is an amenable number.

1288288 is a deficient number, since it is larger than the sum of its proper divisors (1276064).

1288288 is a wasteful number, since it uses less digits than its factorization.

1288288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 446 counting only the distinct ones).

The product of its digits is 16384, while the sum is 37.

The square root of 1288288 is about 1135.0277529647. The cubic root of 1288288 is about 108.8105454023.

The spelling of 1288288 in words is "one million, two hundred eighty-eight thousand, two hundred eighty-eight".