1304057613 has 8 divisors (see below), whose sum is σ = 1741638976. Its totient is φ = 867924000.

The previous prime is 1304057597. The next prime is 1304057617. The reversal of 1304057613 is 3167504031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1304057613 - 2⁴ = 1304057597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304057617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359833 + ... + 363438.

It is an arithmetic number, because the mean of its divisors is an integer number (217704872).

Almost surely, 2^1304057613 is an apocalyptic number.

It is an amenable number.

1304057613 is a deficient number, since it is larger than the sum of its proper divisors (437581363).

1304057613 is an equidigital number, since it uses as much as digits as its factorization.

1304057613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723875.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 1304057613 is about 36111.7378839623. The cubic root of 1304057613 is about 1092.5272037031.

The spelling of 1304057613 in words is "one billion, three hundred four million, fifty-seven thousand, six hundred thirteen".