1312227907 has 2 divisors, whose sum is σ = 1312227908. Its totient is φ = 1312227906.

The previous prime is 1312227887. The next prime is 1312227911. The reversal of 1312227907 is 7097222131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312227907 - 2¹⁹ = 1311703619 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312227967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656113953 + 656113954.

It is an arithmetic number, because the mean of its divisors is an integer number (656113954).

Almost surely, 2^1312227907 is an apocalyptic number.

1312227907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312227907 is an equidigital number, since it uses as much as digits as its factorization.

1312227907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 1312227907 is about 36224.6864306649. The cubic root of 1312227907 is about 1094.8041202827.

It can be divided in two parts, 131222 and 7907, that added together give a square (139129 = 373²).

The spelling of 1312227907 in words is "one billion, three hundred twelve million, two hundred twenty-seven thousand, nine hundred seven".