12839858 has 8 divisors (see below), whose sum is σ = 20273520. Its totient is φ = 6082020.

The previous prime is 12839857. The next prime is 12839861. The reversal of 12839858 is 85893821.

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

It is not an unprimeable number, because it can be changed into a prime (12839857) 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, 168908 + ... + 168983.

It is an arithmetic number, because the mean of its divisors is an integer number (2534190).

Almost surely, 2^12839858 is an apocalyptic number.

12839858 is a deficient number, since it is larger than the sum of its proper divisors (7433662).

12839858 is a wasteful number, since it uses less digits than its factorization.

12839858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337912.

The product of its digits is 138240, while the sum is 44.

The square root of 12839858 is about 3583.2747592112. The cubic root of 12839858 is about 234.1639705930.

The spelling of 12839858 in words is "twelve million, eight hundred thirty-nine thousand, eight hundred fifty-eight".