13280292647 has 4 divisors (see below), whose sum is σ = 13708689216. Its totient is φ = 12851896080.

The previous prime is 13280292643. The next prime is 13280292671. The reversal of 13280292647 is 74629208231.

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 13280292647 - 2² = 13280292643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13280292598 and 13280292607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13280292643) 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, 214198238 + ... + 214198299.

It is an arithmetic number, because the mean of its divisors is an integer number (3427172304).

Almost surely, 2^13280292647 is an apocalyptic number.

13280292647 is a deficient number, since it is larger than the sum of its proper divisors (428396569).

13280292647 is an equidigital number, since it uses as much as digits as its factorization.

13280292647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428396568.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 13280292647 in words is "thirteen billion, two hundred eighty million, two hundred ninety-two thousand, six hundred forty-seven".