13247120737 has 8 divisors (see below), whose sum is σ = 13307123456. Its totient is φ = 13187249712.

The previous prime is 13247120707. The next prime is 13247120791. The reversal of 13247120737 is 73702174231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13247120737 - 2¹⁹ = 13246596449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13247120696 and 13247120705.

It is not an unprimeable number, because it can be changed into a prime (13247120707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171568 + ... + 236494.

It is an arithmetic number, because the mean of its divisors is an integer number (1663390432).

Almost surely, 2^13247120737 is an apocalyptic number.

It is an amenable number.

13247120737 is a deficient number, since it is larger than the sum of its proper divisors (60002719).

13247120737 is an equidigital number, since it uses as much as digits as its factorization.

13247120737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65847.

The product of its (nonzero) digits is 49392, while the sum is 37.

Adding to 13247120737 its reverse (73702174231), we get a palindrome (86949294968).

The spelling of 13247120737 in words is "thirteen billion, two hundred forty-seven million, one hundred twenty thousand, seven hundred thirty-seven".