12601273 has 2 divisors, whose sum is σ = 12601274. Its totient is φ = 12601272.

The previous prime is 12601271. The next prime is 12601289. The reversal of 12601273 is 37210621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11778624 + 822649 = 3432^2 + 907^2 .

It is a cyclic number.

It is not a de Polignac number, because 12601273 - 2¹ = 12601271 is a prime.

Together with 12601271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12601271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6300636 + 6300637.

It is an arithmetic number, because the mean of its divisors is an integer number (6300637).

Almost surely, 2^12601273 is an apocalyptic number.

It is an amenable number.

12601273 is a deficient number, since it is larger than the sum of its proper divisors (1).

12601273 is an equidigital number, since it uses as much as digits as its factorization.

12601273 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 12601273 is about 3549.8271788920. The cubic root of 12601273 is about 232.7045134650.

Adding to 12601273 its reverse (37210621), we get a palindrome (49811894).

The spelling of 12601273 in words is "twelve million, six hundred one thousand, two hundred seventy-three".