1329793 has 4 divisors (see below), whose sum is σ = 1332160. Its totient is φ = 1327428.

The previous prime is 1329787. The next prime is 1329799. The reversal of 1329793 is 3979231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3979231 = 97 ⋅41023.

It is an interprime number because it is at equal distance from previous prime (1329787) and next prime (1329799).

It is a cyclic number.

It is not a de Polignac number, because 1329793 - 2⁵ = 1329761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1329799) 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 3 ways as a sum of consecutive naturals, for example, 196 + ... + 1642.

It is an arithmetic number, because the mean of its divisors is an integer number (333040).

2^1329793 is an apocalyptic number.

It is an amenable number.

1329793 is a deficient number, since it is larger than the sum of its proper divisors (2367).

1329793 is an equidigital number, since it uses as much as digits as its factorization.

1329793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366.

The product of its digits is 10206, while the sum is 34.

The square root of 1329793 is about 1153.1665100930. The cubic root of 1329793 is about 109.9667392552.

The spelling of 1329793 in words is "one million, three hundred twenty-nine thousand, seven hundred ninety-three".