12726602531 has 2 divisors, whose sum is σ = 12726602532. Its totient is φ = 12726602530.

The previous prime is 12726602467. The next prime is 12726602549. The reversal of 12726602531 is 13520662721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12726602531 - 2⁶ = 12726602467 is a prime.

It is a super-2 number, since 2×12726602531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12726602491 and 12726602500.

It is not a weakly prime, because it can be changed into another prime (12726604531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6363301265 + 6363301266.

It is an arithmetic number, because the mean of its divisors is an integer number (6363301266).

Almost surely, 2^12726602531 is an apocalyptic number.

12726602531 is a deficient number, since it is larger than the sum of its proper divisors (1).

12726602531 is an equidigital number, since it uses as much as digits as its factorization.

12726602531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 12726602531 in words is "twelve billion, seven hundred twenty-six million, six hundred two thousand, five hundred thirty-one".