1347329 has 2 divisors, whose sum is σ = 1347330. Its totient is φ = 1347328.

The previous prime is 1347293. The next prime is 1347331. The reversal of 1347329 is 9237431.

Together with previous prime (1347293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1123600 + 223729 = 1060^2 + 473^2 .

It is a cyclic number.

It is not a de Polignac number, because 1347329 - 2¹² = 1343233 is a prime.

Together with 1347331, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1347389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673664 + 673665.

It is an arithmetic number, because the mean of its divisors is an integer number (673665).

2^1347329 is an apocalyptic number.

It is an amenable number.

1347329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1347329 is an equidigital number, since it uses as much as digits as its factorization.

1347329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 29.

The square root of 1347329 is about 1160.7450193733. The cubic root of 1347329 is about 110.4480075900.

The spelling of 1347329 in words is "one million, three hundred forty-seven thousand, three hundred twenty-nine".