1329069 has 16 divisors (see below), whose sum is σ = 2132480. Its totient is φ = 719280.

The previous prime is 1329067. The next prime is 1329073. The reversal of 1329069 is 9609231.

It is not a de Polignac number, because 1329069 - 2¹ = 1329067 is a prime.

It is a super-2 number, since 2×1329069² = 3532848813522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1267 + ... + 2064.

It is an arithmetic number, because the mean of its divisors is an integer number (133280).

2^1329069 is an apocalyptic number.

1329069 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1329069 is a deficient number, since it is larger than the sum of its proper divisors (803411).

1329069 is a wasteful number, since it uses less digits than its factorization.

1329069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 1329069 is about 1152.8525491146. The cubic root of 1329069 is about 109.9467786618.

The spelling of 1329069 in words is "one million, three hundred twenty-nine thousand, sixty-nine".