12858123 has 8 divisors (see below), whose sum is σ = 17164288. Its totient is φ = 8562024.

The previous prime is 12858091. The next prime is 12858163. The reversal of 12858123 is 32185821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12858123 - 2⁵ = 12858091 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 1290 + ... + 5232.

It is an arithmetic number, because the mean of its divisors is an integer number (2145536).

Almost surely, 2^12858123 is an apocalyptic number.

12858123 is a deficient number, since it is larger than the sum of its proper divisors (4306165).

12858123 is a wasteful number, since it uses less digits than its factorization.

12858123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033.

The product of its digits is 3840, while the sum is 30.

The square root of 12858123 is about 3585.8224997900. The cubic root of 12858123 is about 234.2749525700.

The spelling of 12858123 in words is "twelve million, eight hundred fifty-eight thousand, one hundred twenty-three".