1304832 has 36 divisors (see below), whose sum is σ = 3474800. Its totient is φ = 434688.

The previous prime is 1304803. The next prime is 1304833. The reversal of 1304832 is 2384031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1304799 and 1304808.

It is not an unprimeable number, because it can be changed into a prime (1304833) 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, 82 + ... + 1617.

2^1304832 is an apocalyptic number.

1304832 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 1304832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1737400).

1304832 is an abundant number, since it is smaller than the sum of its proper divisors (2169968).

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

1304832 is an equidigital number, since it uses as much as digits as its factorization.

1304832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718 (or 1704 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1304832 is about 1142.2924319105. The cubic root of 1304832 is about 109.2743418959.

Adding to 1304832 its reverse (2384031), we get a palindrome (3688863).

The spelling of 1304832 in words is "one million, three hundred four thousand, eight hundred thirty-two".