1304401332 has 48 divisors (see below), whose sum is σ = 3279995712. Its totient is φ = 401076480.

The previous prime is 1304401331. The next prime is 1304401333. The reversal of 1304401332 is 2331044031.

It is an interprime number because it is at equal distance from previous prime (1304401331) and next prime (1304401333).

It is a junction number, because it is equal to n+sod(n) for n = 1304401299 and 1304401308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304401331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431707 + ... + 434717.

It is an arithmetic number, because the mean of its divisors is an integer number (68333244).

Almost surely, 2^1304401332 is an apocalyptic number.

1304401332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1304401332 is an abundant number, since it is smaller than the sum of its proper divisors (1975594380).

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

1304401332 is a wasteful number, since it uses less digits than its factorization.

1304401332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5808 (or 5806 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1304401332 is about 36116.4966739577. The cubic root of 1304401332 is about 1092.6231834528.

Adding to 1304401332 its reverse (2331044031), we get a palindrome (3635445363).

The spelling of 1304401332 in words is "one billion, three hundred four million, four hundred one thousand, three hundred thirty-two".