12906858 has 32 divisors (see below), whose sum is σ = 27097344. Its totient is φ = 4093632.

The previous prime is 12906857. The next prime is 12906863. The reversal of 12906858 is 85860921.

12906858 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12906853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9816 + ... + 11052.

It is an arithmetic number, because the mean of its divisors is an integer number (846792).

Almost surely, 2^12906858 is an apocalyptic number.

12906858 is an abundant number, since it is smaller than the sum of its proper divisors (14190486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12906858 is a wasteful number, since it uses less digits than its factorization.

12906858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 12906858 is about 3592.6115849059. The cubic root of 12906858 is about 234.5705632471.

The spelling of 12906858 in words is "twelve million, nine hundred six thousand, eight hundred fifty-eight".