1346729 has 2 divisors, whose sum is σ = 1346730. Its totient is φ = 1346728.

The previous prime is 1346711. The next prime is 1346743. The reversal of 1346729 is 9276431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 769129 + 577600 = 877^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 1346729 - 2¹² = 1342633 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1346695 and 1346704.

It is not a weakly prime, because it can be changed into another prime (1346129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673364 + 673365.

It is an arithmetic number, because the mean of its divisors is an integer number (673365).

2^1346729 is an apocalyptic number.

It is an amenable number.

1346729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346729 is an equidigital number, since it uses as much as digits as its factorization.

1346729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 32.

The square root of 1346729 is about 1160.4865358978. The cubic root of 1346729 is about 110.4316100498.

The spelling of 1346729 in words is "one million, three hundred forty-six thousand, seven hundred twenty-nine".