12058728 has 32 divisors (see below), whose sum is σ = 32888160. Its totient is φ = 3654080.

The previous prime is 12058691. The next prime is 12058757. The reversal of 12058728 is 82785021.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22575 + ... + 23102.

It is an arithmetic number, because the mean of its divisors is an integer number (1027755).

Almost surely, 2^12058728 is an apocalyptic number.

It is an amenable number.

12058728 is an abundant number, since it is smaller than the sum of its proper divisors (20829432).

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

12058728 is a wasteful number, since it uses less digits than its factorization.

12058728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45697 (or 45693 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 12058728 is about 3472.5679259015. The cubic root of 12058728 is about 229.3157229882.

The spelling of 12058728 in words is "twelve million, fifty-eight thousand, seven hundred twenty-eight".