13211229847 has 2 divisors, whose sum is σ = 13211229848. Its totient is φ = 13211229846.

The previous prime is 13211229827. The next prime is 13211229869. The reversal of 13211229847 is 74892211231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13211229847 - 2⁷ = 13211229719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13211229817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6605614923 + 6605614924.

It is an arithmetic number, because the mean of its divisors is an integer number (6605614924).

Almost surely, 2^13211229847 is an apocalyptic number.

13211229847 is a deficient number, since it is larger than the sum of its proper divisors (1).

13211229847 is an equidigital number, since it uses as much as digits as its factorization.

13211229847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The spelling of 13211229847 in words is "thirteen billion, two hundred eleven million, two hundred twenty-nine thousand, eight hundred forty-seven".