1304532 has 48 divisors (see below), whose sum is σ = 3467520. Its totient is φ = 423936.

The previous prime is 1304531. The next prime is 1304539. The reversal of 1304532 is 2354031.

1304532 is a `hidden beast` number, since 130 + 4 + 532 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4948 + ... + 5204.

It is an arithmetic number, because the mean of its divisors is an integer number (72240).

2^1304532 is an apocalyptic number.

1304532 is a gapful number since it is divisible by the number (12) 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 1304532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1733760).

1304532 is an abundant number, since it is smaller than the sum of its proper divisors (2162988).

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

1304532 is a wasteful number, since it uses less digits than its factorization.

1304532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1304532 is about 1142.1611094762. The cubic root of 1304532 is about 109.2659666631.

Adding to 1304532 its reverse (2354031), we get a palindrome (3658563).

The spelling of 1304532 in words is "one million, three hundred four thousand, five hundred thirty-two".