1304132213 has 2 divisors, whose sum is σ = 1304132214. Its totient is φ = 1304132212.

The previous prime is 1304132201. The next prime is 1304132239. The reversal of 1304132213 is 3122314031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1262167729 + 41964484 = 35527^2 + 6478^2 .

It is an emirp because it is prime and its reverse (3122314031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1304132213 - 2⁴ = 1304132197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304132413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652066106 + 652066107.

It is an arithmetic number, because the mean of its divisors is an integer number (652066107).

Almost surely, 2^1304132213 is an apocalyptic number.

It is an amenable number.

1304132213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304132213 is an equidigital number, since it uses as much as digits as its factorization.

1304132213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1304132213 is about 36112.7707743397. The cubic root of 1304132213 is about 1092.5480363653.

Adding to 1304132213 its reverse (3122314031), we get a palindrome (4426446244).

It can be divided in two parts, 13041 and 32213, that added together give a palindrome (45254).

The spelling of 1304132213 in words is "one billion, three hundred four million, one hundred thirty-two thousand, two hundred thirteen".