1288708 has 12 divisors (see below), whose sum is σ = 2277072. Its totient is φ = 638120.

The previous prime is 1288699. The next prime is 1288709. The reversal of 1288708 is 8078821.

It is not an unprimeable number, because it can be changed into a prime (1288709) 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, 1078 + ... + 1933.

It is an arithmetic number, because the mean of its divisors is an integer number (189756).

2^1288708 is an apocalyptic number.

It is an amenable number.

1288708 is a deficient number, since it is larger than the sum of its proper divisors (988364).

1288708 is a wasteful number, since it uses less digits than its factorization.

1288708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122 (or 3120 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 1288708 is about 1135.2127553899. The cubic root of 1288708 is about 108.8223687067.

It can be divided in two parts, 128 and 8708, that added together give a square (8836 = 94²).

The spelling of 1288708 in words is "one million, two hundred eighty-eight thousand, seven hundred eight".