12028038 has 16 divisors (see below), whose sum is σ = 26243136. Its totient is φ = 3644840.

The previous prime is 12028033. The next prime is 12028067. The reversal of 12028038 is 83082021.

It is a junction number, because it is equal to n+sod(n) for n = 12027999 and 12028017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12028033) 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 7 ways as a sum of consecutive naturals, for example, 91056 + ... + 91187.

It is an arithmetic number, because the mean of its divisors is an integer number (1640196).

Almost surely, 2^12028038 is an apocalyptic number.

12028038 is an abundant number, since it is smaller than the sum of its proper divisors (14215098).

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

12028038 is a wasteful number, since it uses less digits than its factorization.

12028038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182259.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 12028038 is about 3468.1461906904. The cubic root of 12028038 is about 229.1210181400.

The spelling of 12028038 in words is "twelve million, twenty-eight thousand, thirty-eight".