13247794927 has 4 divisors (see below), whose sum is σ = 13369334440. Its totient is φ = 13126255416.

The previous prime is 13247794883. The next prime is 13247794933. The reversal of 13247794927 is 72949774231.

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 13247794927 - 2²⁷ = 13113577199 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 (13247794627) 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, 60769593 + ... + 60769810.

It is an arithmetic number, because the mean of its divisors is an integer number (3342333610).

Almost surely, 2^13247794927 is an apocalyptic number.

13247794927 is a deficient number, since it is larger than the sum of its proper divisors (121539513).

13247794927 is a wasteful number, since it uses less digits than its factorization.

13247794927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121539512.

The product of its digits is 5334336, while the sum is 55.

The spelling of 13247794927 in words is "thirteen billion, two hundred forty-seven million, seven hundred ninety-four thousand, nine hundred twenty-seven".