13211037447 has 16 divisors (see below), whose sum is σ = 18226897920. Its totient is φ = 8505870912.

The previous prime is 13211037439. The next prime is 13211037461. The reversal of 13211037447 is 74473011231.

13211037447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13211037447 - 2³ = 13211037439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211037247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563863 + ... + 586824.

It is an arithmetic number, because the mean of its divisors is an integer number (1139181120).

Almost surely, 2^13211037447 is an apocalyptic number.

13211037447 is a deficient number, since it is larger than the sum of its proper divisors (5015860473).

13211037447 is a wasteful number, since it uses less digits than its factorization.

13211037447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150822.

The product of its (nonzero) digits is 14112, while the sum is 33.

Adding to 13211037447 its reverse (74473011231), we get a palindrome (87684048678).

The spelling of 13211037447 in words is "thirteen billion, two hundred eleven million, thirty-seven thousand, four hundred forty-seven".