1323775 has 6 divisors (see below), whose sum is σ = 1641512. Its totient is φ = 1059000.

The previous prime is 1323743. The next prime is 1323779. The reversal of 1323775 is 5773231.

It is not a de Polignac number, because 1323775 - 2⁵ = 1323743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26451 + ... + 26500.

2^1323775 is an apocalyptic number.

1323775 is a deficient number, since it is larger than the sum of its proper divisors (317737).

1323775 is an equidigital number, since it uses as much as digits as its factorization.

1323775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52961 (or 52956 counting only the distinct ones).

The product of its digits is 4410, while the sum is 28.

The square root of 1323775 is about 1150.5542142811. The cubic root of 1323775 is about 109.8006029586.

The spelling of 1323775 in words is "one million, three hundred twenty-three thousand, seven hundred seventy-five".