1313329 has 2 divisors, whose sum is σ = 1313330. Its totient is φ = 1313328.

The previous prime is 1313317. The next prime is 1313339. The reversal of 1313329 is 9233131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1311025 + 2304 = 1145^2 + 48^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313329 - 2⁵ = 1313297 is a prime.

1313329 is a lucky number.

It is equal to p₁₀₀₉₆₆ and since 1313329 and 100966 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1313339) 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 as a sum of consecutive naturals, namely, 656664 + 656665.

It is an arithmetic number, because the mean of its divisors is an integer number (656665).

2^1313329 is an apocalyptic number.

It is an amenable number.

1313329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313329 is an equidigital number, since it uses as much as digits as its factorization.

1313329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486, while the sum is 22.

The square root of 1313329 is about 1146.0056718882. The cubic root of 1313329 is about 109.5110252099.

The spelling of 1313329 in words is "one million, three hundred thirteen thousand, three hundred twenty-nine".