12726037 has 2 divisors, whose sum is σ = 12726038. Its totient is φ = 12726036.

The previous prime is 12726023. The next prime is 12726059. The reversal of 12726037 is 73062721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6380676 + 6345361 = 2526^2 + 2519^2 .

It is an emirp because it is prime and its reverse (73062721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12726037 - 2²³ = 4337429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12725996 and 12726014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12726437) 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, 6363018 + 6363019.

It is an arithmetic number, because the mean of its divisors is an integer number (6363019).

Almost surely, 2^12726037 is an apocalyptic number.

It is an amenable number.

12726037 is a deficient number, since it is larger than the sum of its proper divisors (1).

12726037 is an equidigital number, since it uses as much as digits as its factorization.

12726037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 12726037 is about 3567.3571450024. The cubic root of 12726037 is about 233.4699877516.

Adding to 12726037 its reverse (73062721), we get a palindrome (85788758).

The spelling of 12726037 in words is "twelve million, seven hundred twenty-six thousand, thirty-seven".