1297329 has 8 divisors (see below), whose sum is σ = 1887072. Its totient is φ = 786240.

The previous prime is 1297313. The next prime is 1297333. The reversal of 1297329 is 9237921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1297329 - 2⁴ = 1297313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 39313 = 1297329 / (1 + 2 + 9 + 7 + 3 + 2 + 9).

1297329 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1297329.

It is not an unprimeable number, because it can be changed into a prime (1297349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19624 + ... + 19689.

It is an arithmetic number, because the mean of its divisors is an integer number (235884).

2^1297329 is an apocalyptic number.

It is an amenable number.

1297329 is a deficient number, since it is larger than the sum of its proper divisors (589743).

1297329 is a wasteful number, since it uses less digits than its factorization.

1297329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39327.

The product of its digits is 6804, while the sum is 33.

The square root of 1297329 is about 1139.0035118471. The cubic root of 1297329 is about 109.0644906356.

The spelling of 1297329 in words is "one million, two hundred ninety-seven thousand, three hundred twenty-nine".