1304133012 has 72 divisors (see below), whose sum is σ = 4057312896. Its totient is φ = 343946304.

The previous prime is 1304133011. The next prime is 1304133023. The reversal of 1304133012 is 2103314031.

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 (1304133011) 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 23 ways as a sum of consecutive naturals, for example, 195768 + ... + 202319.

It is an arithmetic number, because the mean of its divisors is an integer number (56351568).

Almost surely, 2^1304133012 is an apocalyptic number.

1304133012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1304133012 is an abundant number, since it is smaller than the sum of its proper divisors (2753179884).

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

1304133012 is a wasteful number, since it uses less digits than its factorization.

1304133012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398117 (or 398112 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1304133012 is about 36112.7818369064. The cubic root of 1304133012 is about 1092.5482594883.

Adding to 1304133012 its reverse (2103314031), we get a palindrome (3407447043).

The spelling of 1304133012 in words is "one billion, three hundred four million, one hundred thirty-three thousand, twelve".