1329536 has 64 divisors (see below), whose sum is σ = 3084480. Its totient is φ = 565248.

The previous prime is 1329533. The next prime is 1329541. The reversal of 1329536 is 6359231.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1329499 and 1329508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329533) 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, 28265 + ... + 28311.

It is an arithmetic number, because the mean of its divisors is an integer number (48195).

2^1329536 is an apocalyptic number.

1329536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1329536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1542240).

1329536 is an abundant number, since it is smaller than the sum of its proper divisors (1754944).

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

1329536 is a wasteful number, since it uses less digits than its factorization.

1329536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 79 counting only the distinct ones).

The product of its digits is 4860, while the sum is 29.

The square root of 1329536 is about 1153.0550724055. The cubic root of 1329536 is about 109.9596546256.

It can be divided in two parts, 13295 and 36, that added together give a palindrome (13331).

The spelling of 1329536 in words is "one million, three hundred twenty-nine thousand, five hundred thirty-six".