12028858 has 16 divisors (see below), whose sum is σ = 18398016. Its totient is φ = 5897440.

The previous prime is 12028847. The next prime is 12028859. The reversal of 12028858 is 85882021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12028859) 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, 38523 + ... + 38833.

It is an arithmetic number, because the mean of its divisors is an integer number (1149876).

Almost surely, 2^12028858 is an apocalyptic number.

12028858 is a deficient number, since it is larger than the sum of its proper divisors (6369158).

12028858 is a wasteful number, since it uses less digits than its factorization.

12028858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629.

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 12028858 is about 3468.2644074522. The cubic root of 12028858 is about 229.1262247239.

The spelling of 12028858 in words is "twelve million, twenty-eight thousand, eight hundred fifty-eight".