1326288 has 20 divisors (see below), whose sum is σ = 3426368. Its totient is φ = 442080.

The previous prime is 1326287. The next prime is 1326301. The reversal of 1326288 is 8826231.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326287) 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, 13768 + ... + 13863.

2^1326288 is an apocalyptic number.

It is an amenable number.

1326288 is an abundant number, since it is smaller than the sum of its proper divisors (2100080).

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

1326288 is a wasteful number, since it uses less digits than its factorization.

1326288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27642 (or 27636 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 1326288 is about 1151.6457788747. The cubic root of 1326288 is about 109.8700393546.

Adding to 1326288 its product of digits (4608), we get a triangular number (1330896 = T₁₆₃₁).

The spelling of 1326288 in words is "one million, three hundred twenty-six thousand, two hundred eighty-eight".