1280608 has 24 divisors (see below), whose sum is σ = 2881872. Its totient is φ = 548736.

The previous prime is 1280603. The next prime is 1280623. The reversal of 1280608 is 8060821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1280603) 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, 2635 + ... + 3082.

It is an arithmetic number, because the mean of its divisors is an integer number (120078).

2^1280608 is an apocalyptic number.

It is an amenable number.

1280608 is an abundant number, since it is smaller than the sum of its proper divisors (1601264).

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

1280608 is an equidigital number, since it uses as much as digits as its factorization.

1280608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5734 (or 5726 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1280608 is about 1131.6395185747. The cubic root of 1280608 is about 108.5938932541.

The spelling of 1280608 in words is "one million, two hundred eighty thousand, six hundred eight".