1313212027 has 2 divisors, whose sum is σ = 1313212028. Its totient is φ = 1313212026.

The previous prime is 1313212009. The next prime is 1313212057. The reversal of 1313212027 is 7202123131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313212027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1313211989 and 1313212007.

It is not a weakly prime, because it can be changed into another prime (1313212057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656606013 + 656606014.

It is an arithmetic number, because the mean of its divisors is an integer number (656606014).

Almost surely, 2^1313212027 is an apocalyptic number.

1313212027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313212027 is an equidigital number, since it uses as much as digits as its factorization.

1313212027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1313212027 is about 36238.2674392692. The cubic root of 1313212027 is about 1095.0777387592.

Adding to 1313212027 its reverse (7202123131), we get a palindrome (8515335158).

The spelling of 1313212027 in words is "one billion, three hundred thirteen million, two hundred twelve thousand, twenty-seven".