12908858 has 16 divisors (see below), whose sum is σ = 19916160. Its totient is φ = 6271776.

The previous prime is 12908851. The next prime is 12908867. The reversal of 12908858 is 85880921.

It is a super-2 number, since 2×12908858² = 333277229728328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12908851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31358 + ... + 31766.

It is an arithmetic number, because the mean of its divisors is an integer number (1244760).

Almost surely, 2^12908858 is an apocalyptic number.

12908858 is a deficient number, since it is larger than the sum of its proper divisors (7007302).

12908858 is a wasteful number, since it uses less digits than its factorization.

12908858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 12908858 is about 3592.8899231677. The cubic root of 12908858 is about 234.5826786899.

The spelling of 12908858 in words is "twelve million, nine hundred eight thousand, eight hundred fifty-eight".