1288208 has 10 divisors (see below), whose sum is σ = 2495934. Its totient is φ = 644096.

The previous prime is 1288201. The next prime is 1288213. The reversal of 1288208 is 8028821.

It can be written as a sum of positive squares in only one way, i.e., 692224 + 595984 = 832^2 + 772^2 .

It is not an unprimeable number, because it can be changed into a prime (1288201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40241 + ... + 40272.

2^1288208 is an apocalyptic number.

It is an amenable number.

1288208 is a deficient number, since it is larger than the sum of its proper divisors (1207726).

1288208 is an equidigital number, since it uses as much as digits as its factorization.

1288208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80521 (or 80515 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 1288208 is about 1134.9925109885. The cubic root of 1288208 is about 108.8082930530.

The spelling of 1288208 in words is "one million, two hundred eighty-eight thousand, two hundred eight".