13047263747 has 4 divisors (see below), whose sum is σ = 14911158576. Its totient is φ = 11183368920.

The previous prime is 13047263737. The next prime is 13047263759. The reversal of 13047263747 is 74736274031.

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 13047263747 - 2¹² = 13047259651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13047263698 and 13047263707.

It is not an unprimeable number, because it can be changed into a prime (13047263737) 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, 931947404 + ... + 931947417.

It is an arithmetic number, because the mean of its divisors is an integer number (3727789644).

Almost surely, 2^13047263747 is an apocalyptic number.

13047263747 is a deficient number, since it is larger than the sum of its proper divisors (1863894829).

13047263747 is an equidigital number, since it uses as much as digits as its factorization.

13047263747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863894828.

The product of its (nonzero) digits is 592704, while the sum is 44.

The spelling of 13047263747 in words is "thirteen billion, forty-seven million, two hundred sixty-three thousand, seven hundred forty-seven".