13130056 has 16 divisors (see below), whose sum is σ = 25689600. Its totient is φ = 6279504.

The previous prime is 13130053. The next prime is 13130059. The reversal of 13130056 is 65003131.

It is an interprime number because it is at equal distance from previous prime (13130053) and next prime (13130059).

It is not an unprimeable number, because it can be changed into a prime (13130053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35496 + ... + 35863.

It is an arithmetic number, because the mean of its divisors is an integer number (1605600).

Almost surely, 2^13130056 is an apocalyptic number.

It is an amenable number.

13130056 is a deficient number, since it is larger than the sum of its proper divisors (12559544).

13130056 is a wasteful number, since it uses less digits than its factorization.

13130056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71388 (or 71384 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 13130056 is about 3623.5419136530. The cubic root of 13130056 is about 235.9149842204.

Adding to 13130056 its reverse (65003131), we get a palindrome (78133187).

The spelling of 13130056 in words is "thirteen million, one hundred thirty thousand, fifty-six".