1323288 has 24 divisors (see below), whose sum is σ = 3584100. Its totient is φ = 441072.

The previous prime is 1323281. The next prime is 1323307. The reversal of 1323288 is 8823231.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1323288² = 3502182261888, which contains 22 as substring.

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 (1323281) 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 in 5 ways as a sum of consecutive naturals, for example, 9118 + ... + 9261.

2^1323288 is an apocalyptic number.

1323288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1323288 is an abundant number, since it is smaller than the sum of its proper divisors (2260812).

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

1323288 is a wasteful number, since it uses less digits than its factorization.

1323288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18391 (or 18384 counting only the distinct ones).

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

The square root of 1323288 is about 1150.3425576758. The cubic root of 1323288 is about 109.7871365583.

The spelling of 1323288 in words is "one million, three hundred twenty-three thousand, two hundred eighty-eight".