1288323 has 12 divisors (see below), whose sum is σ = 1904760. Its totient is φ = 838656.

The previous prime is 1288307. The next prime is 1288337. The reversal of 1288323 is 3238821.

It is not a de Polignac number, because 1288323 - 2⁴ = 1288307 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1288363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1278 + ... + 2051.

It is an arithmetic number, because the mean of its divisors is an integer number (158730).

2^1288323 is an apocalyptic number.

1288323 is a deficient number, since it is larger than the sum of its proper divisors (616437).

1288323 is a wasteful number, since it uses less digits than its factorization.

1288323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378 (or 3375 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1288323 is about 1135.0431709851. The cubic root of 1288323 is about 108.8115307758.

The spelling of 1288323 in words is "one million, two hundred eighty-eight thousand, three hundred twenty-three".