1323993 has 16 divisors (see below), whose sum is σ = 1964736. Its totient is φ = 786240.

The previous prime is 1323967. The next prime is 1323997. The reversal of 1323993 is 3993231.

It is not a de Polignac number, because 1323993 - 2⁸ = 1323737 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1323993.

It is not an unprimeable number, because it can be changed into a prime (1323997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1371 + ... + 2127.

It is an arithmetic number, because the mean of its divisors is an integer number (122796).

2^1323993 is an apocalyptic number.

It is an amenable number.

1323993 is a deficient number, since it is larger than the sum of its proper divisors (640743).

1323993 is a wasteful number, since it uses less digits than its factorization.

1323993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824.

The product of its digits is 4374, while the sum is 30.

The square root of 1323993 is about 1150.6489473336. The cubic root of 1323993 is about 109.8066299692.

It can be divided in two parts, 132 and 3993, that multiplied together give a square (527076 = 726²).

The spelling of 1323993 in words is "one million, three hundred twenty-three thousand, nine hundred ninety-three".