1312404337 has 2 divisors, whose sum is σ = 1312404338. Its totient is φ = 1312404336.

The previous prime is 1312404329. The next prime is 1312404341. The reversal of 1312404337 is 7334042131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 848906496 + 463497841 = 29136^2 + 21529^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312404337 - 2³ = 1312404329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312404377) 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 as a sum of consecutive naturals, namely, 656202168 + 656202169.

It is an arithmetic number, because the mean of its divisors is an integer number (656202169).

Almost surely, 2^1312404337 is an apocalyptic number.

It is an amenable number.

1312404337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312404337 is an equidigital number, since it uses as much as digits as its factorization.

1312404337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 1312404337 is about 36227.1215665832. The cubic root of 1312404337 is about 1094.8531838216.

Adding to 1312404337 its reverse (7334042131), we get a palindrome (8646446468).

The spelling of 1312404337 in words is "one billion, three hundred twelve million, four hundred four thousand, three hundred thirty-seven".