1312601 has 2 divisors, whose sum is σ = 1312602. Its totient is φ = 1312600.

The previous prime is 1312583. The next prime is 1312603. The reversal of 1312601 is 1062131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 855625 + 456976 = 925^2 + 676^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312601 - 2¹⁰ = 1311577 is a prime.

Together with 1312603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1312603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656300 + 656301.

It is an arithmetic number, because the mean of its divisors is an integer number (656301).

2^1312601 is an apocalyptic number.

It is an amenable number.

1312601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312601 is an equidigital number, since it uses as much as digits as its factorization.

1312601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1312601 is about 1145.6880029048. The cubic root of 1312601 is about 109.4907868787.

Adding to 1312601 its reverse (1062131), we get a palindrome (2374732).

The spelling of 1312601 in words is "one million, three hundred twelve thousand, six hundred one".