1329313 has 2 divisors, whose sum is σ = 1329314. Its totient is φ = 1329312.

The previous prime is 1329287. The next prime is 1329337. The reversal of 1329313 is 3139231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1327104 + 2209 = 1152^2 + 47^2 .

It is an emirp because it is prime and its reverse (3139231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1329313 is a prime.

1329313 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1329353) 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, 664656 + 664657.

It is an arithmetic number, because the mean of its divisors is an integer number (664657).

2^1329313 is an apocalyptic number.

It is an amenable number.

1329313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1329313 is an equidigital number, since it uses as much as digits as its factorization.

1329313 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 1329313 is about 1152.9583687194. The cubic root of 1329313 is about 109.9535065223.

The spelling of 1329313 in words is "one million, three hundred twenty-nine thousand, three hundred thirteen".