13147056 has 80 divisors (see below), whose sum is σ = 40657120. Its totient is φ = 4043520.

The previous prime is 13147051. The next prime is 13147061. The reversal of 13147056 is 65074131.

It is an interprime number because it is at equal distance from previous prime (13147051) and next prime (13147061).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13147051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4446 + ... + 6786.

It is an arithmetic number, because the mean of its divisors is an integer number (508214).

Almost surely, 2^13147056 is an apocalyptic number.

13147056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13147056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20328560).

13147056 is an abundant number, since it is smaller than the sum of its proper divisors (27510064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13147056 is a wasteful number, since it uses less digits than its factorization.

13147056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371 (or 2359 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 13147056 is about 3625.8869259810. The cubic root of 13147056 is about 236.0167564469.

The spelling of 13147056 in words is "thirteen million, one hundred forty-seven thousand, fifty-six".