1329307 has 4 divisors (see below), whose sum is σ = 1519216. Its totient is φ = 1139400.

The previous prime is 1329287. The next prime is 1329313. The reversal of 1329307 is 7039231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1329307 - 2¹⁹ = 805019 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1329337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94944 + ... + 94957.

It is an arithmetic number, because the mean of its divisors is an integer number (379804).

2^1329307 is an apocalyptic number.

1329307 is a deficient number, since it is larger than the sum of its proper divisors (189909).

1329307 is an equidigital number, since it uses as much as digits as its factorization.

1329307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189908.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 1329307 is about 1152.9557667144. The cubic root of 1329307 is about 109.9533410929.

The spelling of 1329307 in words is "one million, three hundred twenty-nine thousand, three hundred seven".