13247119247 has 4 divisors (see below), whose sum is σ = 13528972896. Its totient is φ = 12965265600.

The previous prime is 13247119241. The next prime is 13247119267. The reversal of 13247119247 is 74291174231.

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 13247119247 - 2⁴ = 13247119231 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 (13247119241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140926754 + ... + 140926847.

It is an arithmetic number, because the mean of its divisors is an integer number (3382243224).

Almost surely, 2^13247119247 is an apocalyptic number.

13247119247 is a deficient number, since it is larger than the sum of its proper divisors (281853649).

13247119247 is an equidigital number, since it uses as much as digits as its factorization.

13247119247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281853648.

The product of its digits is 84672, while the sum is 41.

The spelling of 13247119247 in words is "thirteen billion, two hundred forty-seven million, one hundred nineteen thousand, two hundred forty-seven".