13130556 has 24 divisors (see below), whose sum is σ = 30718800. Its totient is φ = 4365312.

The previous prime is 13130549. The next prime is 13130561. The reversal of 13130556 is 65503131.

13130556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4170 + ... + 6606.

It is an arithmetic number, because the mean of its divisors is an integer number (1279950).

Almost surely, 2^13130556 is an apocalyptic number.

It is an amenable number.

13130556 is an abundant number, since it is smaller than the sum of its proper divisors (17588244).

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

13130556 is a wasteful number, since it uses less digits than its factorization.

13130556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893 (or 2891 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 13130556 is about 3623.6109062646. The cubic root of 13130556 is about 235.9179787746.

Adding to 13130556 its reverse (65503131), we get a palindrome (78633687).

The spelling of 13130556 in words is "thirteen million, one hundred thirty thousand, five hundred fifty-six".