13158056 has 8 divisors (see below), whose sum is σ = 24671370. Its totient is φ = 6579024.

The previous prime is 13158053. The next prime is 13158091. The reversal of 13158056 is 65085131.

It can be written as a sum of positive squares in only one way, i.e., 12013156 + 1144900 = 3466^2 + 1070^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13158053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 822371 + ... + 822386.

Almost surely, 2^13158056 is an apocalyptic number.

It is an amenable number.

13158056 is a deficient number, since it is larger than the sum of its proper divisors (11513314).

13158056 is a wasteful number, since it uses less digits than its factorization.

13158056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644763 (or 1644759 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 13158056 is about 3627.4034790743. The cubic root of 13158056 is about 236.0825623224.

The spelling of 13158056 in words is "thirteen million, one hundred fifty-eight thousand, fifty-six".