13201056 has 120 divisors (see below), whose sum is σ = 42444864. Its totient is φ = 3991680.

The previous prime is 13201051. The next prime is 13201087. The reversal of 13201056 is 65010231.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13201051) 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 19 ways as a sum of consecutive naturals, for example, 28281 + ... + 28743.

Almost surely, 2^13201056 is an apocalyptic number.

13201056 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 13201056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21222432).

13201056 is an abundant number, since it is smaller than the sum of its proper divisors (29243808).

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

13201056 is a wasteful number, since it uses less digits than its factorization.

13201056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 13201056 is about 3633.3257492276. The cubic root of 13201056 is about 236.3394521428.

Adding to 13201056 its reverse (65010231), we get a palindrome (78211287).

The spelling of 13201056 in words is "thirteen million, two hundred one thousand, fifty-six".