13336120247 has 4 divisors (see below), whose sum is σ = 13341006216. Its totient is φ = 13331234280.

The previous prime is 13336120223. The next prime is 13336120249. The reversal of 13336120247 is 74202163331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13336120247 - 2¹⁴ = 13336103863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13336120249) 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 in 3 ways as a sum of consecutive naturals, for example, 2438888 + ... + 2444349.

It is an arithmetic number, because the mean of its divisors is an integer number (3335251554).

Almost surely, 2^13336120247 is an apocalyptic number.

13336120247 is a deficient number, since it is larger than the sum of its proper divisors (4885969).

13336120247 is an equidigital number, since it uses as much as digits as its factorization.

13336120247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4885968.

The product of its (nonzero) digits is 18144, while the sum is 32.

Adding to 13336120247 its reverse (74202163331), we get a palindrome (87538283578).

The spelling of 13336120247 in words is "thirteen billion, three hundred thirty-six million, one hundred twenty thousand, two hundred forty-seven".