13006056 has 32 divisors (see below), whose sum is σ = 37160640. Its totient is φ = 3715968.

The previous prime is 13006039. The next prime is 13006057. The reversal of 13006056 is 65060031.

13006056 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

13006056 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (13006057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38541 + ... + 38876.

It is an arithmetic number, because the mean of its divisors is an integer number (1161270).

Almost surely, 2^13006056 is an apocalyptic number.

It is an amenable number.

13006056 is an abundant number, since it is smaller than the sum of its proper divisors (24154584).

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

13006056 is a wasteful number, since it uses less digits than its factorization.

13006056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77433 (or 77429 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 13006056 is about 3606.3909937776. The cubic root of 13006056 is about 235.1699751112.

Adding to 13006056 its reverse (65060031), we get a palindrome (78066087).

The spelling of 13006056 in words is "thirteen million, six thousand, fifty-six".