1301392013 has 2 divisors, whose sum is σ = 1301392014. Its totient is φ = 1301392012.

The previous prime is 1301391979. The next prime is 1301392019. The reversal of 1301392013 is 3102931031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 833881129 + 467510884 = 28877^2 + 21622^2 .

It is a cyclic number.

It is not a de Polignac number, because 1301392013 - 2¹⁰ = 1301390989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1301392013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301392019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650696006 + 650696007.

It is an arithmetic number, because the mean of its divisors is an integer number (650696007).

Almost surely, 2^1301392013 is an apocalyptic number.

It is an amenable number.

1301392013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301392013 is an equidigital number, since it uses as much as digits as its factorization.

1301392013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 1301392013 is about 36074.8113369980. The cubic root of 1301392013 is about 1091.7822910481.

The spelling of 1301392013 in words is "one billion, three hundred one million, three hundred ninety-two thousand, thirteen".