13261302232447 has 2 divisors, whose sum is σ = 13261302232448. Its totient is φ = 13261302232446.

The previous prime is 13261302232417. The next prime is 13261302232481. The reversal of 13261302232447 is 74423220316231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13261302232447 - 2¹¹ = 13261302230399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13261302232417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6630651116223 + 6630651116224.

It is an arithmetic number, because the mean of its divisors is an integer number (6630651116224).

Almost surely, 2^{13261302232447} is an apocalyptic number.

13261302232447 is a deficient number, since it is larger than the sum of its proper divisors (1).

13261302232447 is an equidigital number, since it uses as much as digits as its factorization.

13261302232447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 40.

Adding to 13261302232447 its reverse (74423220316231), we get a palindrome (87684522548678).

The spelling of 13261302232447 in words is "thirteen trillion, two hundred sixty-one billion, three hundred two million, two hundred thirty-two thousand, four hundred forty-seven".