1312712827 has 2 divisors, whose sum is σ = 1312712828. Its totient is φ = 1312712826.

The previous prime is 1312712809. The next prime is 1312712861. The reversal of 1312712827 is 7282172131.

It is an a-pointer prime, because the next prime (1312712861) can be obtained adding 1312712827 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312712827 - 2¹⁵ = 1312680059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1312712792 and 1312712801.

It is not a weakly prime, because it can be changed into another prime (1312712227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656356413 + 656356414.

It is an arithmetic number, because the mean of its divisors is an integer number (656356414).

Almost surely, 2^1312712827 is an apocalyptic number.

1312712827 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312712827 is an equidigital number, since it uses as much as digits as its factorization.

1312712827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 34.

The square root of 1312712827 is about 36231.3790380659. The cubic root of 1312712827 is about 1094.9389614510.

Adding to 1312712827 its reverse (7282172131), we get a palindrome (8594884958).

The spelling of 1312712827 in words is "one billion, three hundred twelve million, seven hundred twelve thousand, eight hundred twenty-seven".