1329064 has 24 divisors (see below), whose sum is σ = 2741130. Its totient is φ = 603680.

The previous prime is 1329061. The next prime is 1329067. The reversal of 1329064 is 4609231.

It is an interprime number because it is at equal distance from previous prime (1329061) and next prime (1329067).

It can be written as a sum of positive squares in only one way, i.e., 736164 + 592900 = 858^2 + 770^2 .

It is a super-2 number, since 2×1329064² = 3532822232192, which contains 22 as substring.

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

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 282 + ... + 1654.

2^1329064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1329064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1370565).

1329064 is an abundant number, since it is smaller than the sum of its proper divisors (1412066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1329064 is a wasteful number, since it uses less digits than its factorization.

1329064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1329064 is about 1152.8503805785. The cubic root of 1329064 is about 109.9466407872.

The spelling of 1329064 in words is "one million, three hundred twenty-nine thousand, sixty-four".