1304321413 has 8 divisors (see below), whose sum is σ = 1381474008. Its totient is φ = 1227216384.

The previous prime is 1304321407. The next prime is 1304321419. The reversal of 1304321413 is 3141234031.

It is an interprime number because it is at equal distance from previous prime (1304321407) and next prime (1304321419).

It can be written as a sum of positive squares in 4 ways, for example, as 376631649 + 927689764 = 19407^2 + 30458^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1304321413 - 2¹³ = 1304313221 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 (1304321419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55545 + ... + 75457.

It is an arithmetic number, because the mean of its divisors is an integer number (172684251).

Almost surely, 2^1304321413 is an apocalyptic number.

It is an amenable number.

1304321413 is a deficient number, since it is larger than the sum of its proper divisors (77152595).

1304321413 is a wasteful number, since it uses less digits than its factorization.

1304321413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23783.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1304321413 is about 36115.3902512488. The cubic root of 1304321413 is about 1092.6008684557.

Adding to 1304321413 its reverse (3141234031), we get a palindrome (4445555444).

The spelling of 1304321413 in words is "one billion, three hundred four million, three hundred twenty-one thousand, four hundred thirteen".