1323273 has 16 divisors (see below), whose sum is σ = 2051456. Its totient is φ = 743040.

The previous prime is 1323253. The next prime is 1323281. The reversal of 1323273 is 3723231.

It is not a de Polignac number, because 1323273 - 2⁸ = 1323017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

1323273 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1323233) 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 15 ways as a sum of consecutive naturals, for example, 765 + ... + 1797.

It is an arithmetic number, because the mean of its divisors is an integer number (128216).

2^1323273 is an apocalyptic number.

It is an amenable number.

1323273 is a deficient number, since it is larger than the sum of its proper divisors (728183).

1323273 is a wasteful number, since it uses less digits than its factorization.

1323273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104.

The product of its digits is 756, while the sum is 21.

The square root of 1323273 is about 1150.3360378602. The cubic root of 1323273 is about 109.7867217297.

It can be divided in two parts, 1323 and 273, that added together give a triangular number (1596 = T₅₆).

The spelling of 1323273 in words is "one million, three hundred twenty-three thousand, two hundred seventy-three".