13160556 has 60 divisors (see below), whose sum is σ = 34760880. Its totient is φ = 4341600.

The previous prime is 13160509. The next prime is 13160557. The reversal of 13160556 is 65506131.

It is a happy number.

13160556 is a `hidden beast` number, since 1 + 3 + 1 + 605 + 56 = 666.

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 (13160557) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48790 + ... + 49058.

It is an arithmetic number, because the mean of its divisors is an integer number (579348).

Almost surely, 2^13160556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13160556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17380440).

13160556 is an abundant number, since it is smaller than the sum of its proper divisors (21600324).

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

13160556 is a wasteful number, since it uses less digits than its factorization.

13160556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 13160556 is about 3627.7480618147. The cubic root of 13160556 is about 236.0975130880.

Adding to 13160556 its reverse (65506131), we get a palindrome (78666687).

The spelling of 13160556 in words is "thirteen million, one hundred sixty thousand, five hundred fifty-six".