12858113 has 4 divisors (see below), whose sum is σ = 12869460. Its totient is φ = 12846768.

The previous prime is 12858091. The next prime is 12858163. The reversal of 12858113 is 31185821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31185821 = 19 ⋅1641359.

It can be written as a sum of positive squares in 2 ways, for example, as 5798464 + 7059649 = 2408^2 + 2657^2 .

It is a cyclic number.

It is not a de Polignac number, because 12858113 - 2⁸ = 12857857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12858163) 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, 3758 + ... + 6311.

It is an arithmetic number, because the mean of its divisors is an integer number (3217365).

Almost surely, 2^12858113 is an apocalyptic number.

It is an amenable number.

12858113 is a deficient number, since it is larger than the sum of its proper divisors (11347).

12858113 is a wasteful number, since it uses less digits than its factorization.

12858113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11346.

The product of its digits is 1920, while the sum is 29.

The square root of 12858113 is about 3585.8211054095. The cubic root of 12858113 is about 234.2748918367.

The spelling of 12858113 in words is "twelve million, eight hundred fifty-eight thousand, one hundred thirteen".