1312329 has 8 divisors (see below), whose sum is σ = 1776160. Its totient is φ = 861696.

The previous prime is 1312319. The next prime is 1312331. The reversal of 1312329 is 9232131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1312329 - 2¹³ = 1304137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1312319) 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 7 ways as a sum of consecutive naturals, for example, 3064 + ... + 3465.

It is an arithmetic number, because the mean of its divisors is an integer number (222020).

2^1312329 is an apocalyptic number.

It is an amenable number.

1312329 is a deficient number, since it is larger than the sum of its proper divisors (463831).

1312329 is an equidigital number, since it uses as much as digits as its factorization.

1312329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6599.

The product of its digits is 324, while the sum is 21.

The square root of 1312329 is about 1145.5692907895. The cubic root of 1312329 is about 109.4832233842.

The spelling of 1312329 in words is "one million, three hundred twelve thousand, three hundred twenty-nine".