13006647371 has 2 divisors, whose sum is σ = 13006647372. Its totient is φ = 13006647370.

The previous prime is 13006647343. The next prime is 13006647377. The reversal of 13006647371 is 17374660031.

It is a strong prime.

It is an emirp because it is prime and its reverse (17374660031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13006647371 - 2²² = 13002453067 is a prime.

It is not a weakly prime, because it can be changed into another prime (13006647377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6503323685 + 6503323686.

It is an arithmetic number, because the mean of its divisors is an integer number (6503323686).

Almost surely, 2^13006647371 is an apocalyptic number.

13006647371 is a deficient number, since it is larger than the sum of its proper divisors (1).

13006647371 is an equidigital number, since it uses as much as digits as its factorization.

13006647371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 38.

The spelling of 13006647371 in words is "thirteen billion, six million, six hundred forty-seven thousand, three hundred seventy-one".