1368329 has 2 divisors, whose sum is σ = 1368330. Its totient is φ = 1368328.

The previous prime is 1368319. The next prime is 1368331. The reversal of 1368329 is 9238631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1054729 + 313600 = 1027^2 + 560^2 .

It is an emirp because it is prime and its reverse (9238631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1368329 is a prime.

Together with 1368331, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1368295 and 1368304.

It is not a weakly prime, because it can be changed into another prime (1368319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684164 + 684165.

It is an arithmetic number, because the mean of its divisors is an integer number (684165).

2^1368329 is an apocalyptic number.

It is an amenable number.

1368329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368329 is an equidigital number, since it uses as much as digits as its factorization.

1368329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 1368329 is about 1169.7559574544. The cubic root of 1368329 is about 111.0188805369.

The spelling of 1368329 in words is "one million, three hundred sixty-eight thousand, three hundred twenty-nine".