13133056 has 54 divisors (see below), whose sum is σ = 27595022. Its totient is φ = 6236160.

The previous prime is 13133033. The next prime is 13133059. The reversal of 13133056 is 65033131.

13133056 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 3 ways, for example, as 173056 + 12960000 = 416^2 + 3600^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13133059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 215266 + ... + 215326.

Almost surely, 2^13133056 is an apocalyptic number.

13133056 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 13133056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13797511).

13133056 is an abundant number, since it is smaller than the sum of its proper divisors (14461966).

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

13133056 is an frugal number, since it uses more digits than its factorization.

13133056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 13133056 is about 3623.9558496207. The cubic root of 13133056 is about 235.9329504057.

Adding to 13133056 its reverse (65033131), we get a palindrome (78166187).

The spelling of 13133056 in words is "thirteen million, one hundred thirty-three thousand, fifty-six".