1288674 has 12 divisors (see below), whose sum is σ = 2792166. Its totient is φ = 429552.

The previous prime is 1288657. The next prime is 1288691. The reversal of 1288674 is 4768821.

It is an interprime number because it is at equal distance from previous prime (1288657) and next prime (1288691).

It can be written as a sum of positive squares in only one way, i.e., 1134225 + 154449 = 1065^2 + 393^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35779 + ... + 35814.

2^1288674 is an apocalyptic number.

1288674 is an abundant number, since it is smaller than the sum of its proper divisors (1503492).

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

1288674 is a wasteful number, since it uses less digits than its factorization.

1288674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71601 (or 71598 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 1288674 is about 1135.1977801247. The cubic root of 1288674 is about 108.8214116777.

The spelling of 1288674 in words is "one million, two hundred eighty-eight thousand, six hundred seventy-four".