1303212013 has 2 divisors, whose sum is σ = 1303212014. Its totient is φ = 1303212012.

The previous prime is 1303212011. The next prime is 1303212037. The reversal of 1303212013 is 3102123031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1071776644 + 231435369 = 32738^2 + 15213^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303212013 - 2¹ = 1303212011 is a prime.

Together with 1303212011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303212011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651606006 + 651606007.

It is an arithmetic number, because the mean of its divisors is an integer number (651606007).

Almost surely, 2^1303212013 is an apocalyptic number.

It is an amenable number.

1303212013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303212013 is an equidigital number, since it uses as much as digits as its factorization.

1303212013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1303212013 is about 36100.0278808757. The cubic root of 1303212013 is about 1092.2910074004.

Adding to 1303212013 its reverse (3102123031), we get a palindrome (4405335044).

The spelling of 1303212013 in words is "one billion, three hundred three million, two hundred twelve thousand, thirteen".