1287008 has 24 divisors (see below), whose sum is σ = 2604672. Its totient is φ = 625536.

The previous prime is 1287007. The next prime is 1287047. The reversal of 1287008 is 8007821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1287007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641 + ... + 1727.

It is an arithmetic number, because the mean of its divisors is an integer number (108528).

2^1287008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1287008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1302336).

1287008 is an abundant number, since it is smaller than the sum of its proper divisors (1317664).

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

1287008 is a wasteful number, since it uses less digits than its factorization.

1287008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 1287008 is about 1134.4637499718. The cubic root of 1287008 is about 108.7744966175.

The spelling of 1287008 in words is "one million, two hundred eighty-seven thousand, eight".