13456203247 has 2 divisors, whose sum is σ = 13456203248. Its totient is φ = 13456203246.

The previous prime is 13456203209. The next prime is 13456203269. The reversal of 13456203247 is 74230265431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13456203247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13456203287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6728101623 + 6728101624.

It is an arithmetic number, because the mean of its divisors is an integer number (6728101624).

Almost surely, 2^13456203247 is an apocalyptic number.

13456203247 is a deficient number, since it is larger than the sum of its proper divisors (1).

13456203247 is an equidigital number, since it uses as much as digits as its factorization.

13456203247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 37.

Adding to 13456203247 its reverse (74230265431), we get a palindrome (87686468678).

The spelling of 13456203247 in words is "thirteen billion, four hundred fifty-six million, two hundred three thousand, two hundred forty-seven".