1304398112 has 12 divisors (see below), whose sum is σ = 2568033846. Its totient is φ = 652199040.

The previous prime is 1304398099. The next prime is 1304398153. The reversal of 1304398112 is 2118934031.

It can be written as a sum of positive squares in only one way, i.e., 1073479696 + 230918416 = 32764^2 + 15196^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 40762441 = 1304398112 / (1 + 3 + 0 + 4 + 3 + 9 + 8 + 1 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20381189 + ... + 20381252.

Almost surely, 2^1304398112 is an apocalyptic number.

It is an amenable number.

1304398112 is a deficient number, since it is larger than the sum of its proper divisors (1263635734).

1304398112 is an equidigital number, since it uses as much as digits as its factorization.

1304398112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40762451 (or 40762443 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1304398112 is about 36116.4520959631. The cubic root of 1304398112 is about 1092.6222843814.

The spelling of 1304398112 in words is "one billion, three hundred four million, three hundred ninety-eight thousand, one hundred twelve".