13058217 has 6 divisors (see below), whose sum is σ = 18861882. Its totient is φ = 8705472.

The previous prime is 13058203. The next prime is 13058239. The reversal of 13058217 is 71285031.

13058217 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11128896 + 1929321 = 3336^2 + 1389^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13058217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13059217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 725448 + ... + 725465.

It is an arithmetic number, because the mean of its divisors is an integer number (3143647).

Almost surely, 2^13058217 is an apocalyptic number.

It is an amenable number.

13058217 is a deficient number, since it is larger than the sum of its proper divisors (5803665).

13058217 is a wasteful number, since it uses less digits than its factorization.

13058217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450919 (or 1450916 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 13058217 is about 3613.6155025127. The cubic root of 13058217 is about 235.4839401060.

The spelling of 13058217 in words is "thirteen million, fifty-eight thousand, two hundred seventeen".