12028177 has 6 divisors (see below), whose sum is σ = 13992018. Its totient is φ = 10309824.

The previous prime is 12028147. The next prime is 12028187. The reversal of 12028177 is 77182021.

12028177 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7529536 + 4498641 = 2744^2 + 2121^2 .

It is not a de Polignac number, because 12028177 - 2¹¹ = 12026129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12028117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122688 + ... + 122785.

It is an arithmetic number, because the mean of its divisors is an integer number (2332003).

Almost surely, 2^12028177 is an apocalyptic number.

It is an amenable number.

12028177 is a deficient number, since it is larger than the sum of its proper divisors (1963841).

12028177 is an equidigital number, since it uses as much as digits as its factorization.

12028177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245487 (or 245480 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 12028177 is about 3468.1662301568. The cubic root of 12028177 is about 229.1219007361.

The spelling of 12028177 in words is "twelve million, twenty-eight thousand, one hundred seventy-seven".