13008847 has 4 divisors (see below), whose sum is σ = 13016296. Its totient is φ = 13001400.

The previous prime is 13008811. The next prime is 13008881. The reversal of 13008847 is 74880031.

It is a happy number.

13008847 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 74880031 = 6569 ⋅11399.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13008847 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13008647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472 + ... + 5122.

It is an arithmetic number, because the mean of its divisors is an integer number (3254074).

Almost surely, 2^13008847 is an apocalyptic number.

13008847 is a deficient number, since it is larger than the sum of its proper divisors (7449).

13008847 is an equidigital number, since it uses as much as digits as its factorization.

13008847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7448.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 13008847 is about 3606.7779249629. Note that the first 3 decimals coincide. The cubic root of 13008847 is about 235.1867957999.

Adding to 13008847 its reverse (74880031), we get a palindrome (87888878).

The spelling of 13008847 in words is "thirteen million, eight thousand, eight hundred forty-seven".