13000347 has 6 divisors (see below), whose sum is σ = 18778292. Its totient is φ = 8666892.

The previous prime is 13000333. The next prime is 13000349. The reversal of 13000347 is 74300031.

It is not a de Polignac number, because 13000347 - 2⁴ = 13000331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13000349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 722233 + ... + 722250.

Almost surely, 2^13000347 is an apocalyptic number.

13000347 is a deficient number, since it is larger than the sum of its proper divisors (5777945).

13000347 is a wasteful number, since it uses less digits than its factorization.

13000347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444489 (or 1444486 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 13000347 is about 3605.5993953849. The cubic root of 13000347 is about 235.1355608384.

Adding to 13000347 its reverse (74300031), we get a palindrome (87300378).

The spelling of 13000347 in words is "thirteen million, three hundred forty-seven", and thus it is an aban number.