1288276 has 48 divisors (see below), whose sum is σ = 2741760. Its totient is φ = 522720.

The previous prime is 1288249. The next prime is 1288291. The reversal of 1288276 is 6728821.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19195 + ... + 19261.

It is an arithmetic number, because the mean of its divisors is an integer number (57120).

2^1288276 is an apocalyptic number.

It is an amenable number.

1288276 is an abundant number, since it is smaller than the sum of its proper divisors (1453484).

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

1288276 is a wasteful number, since it uses less digits than its factorization.

1288276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 122 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 1288276 is about 1135.0224667380. The cubic root of 1288276 is about 108.8102075559.

It can be divided in two parts, 12 and 88276, that added together give a palindrome (88288).

The spelling of 1288276 in words is "one million, two hundred eighty-eight thousand, two hundred seventy-six".