12028517 has 8 divisors (see below), whose sum is σ = 12628224. Its totient is φ = 11435248.

The previous prime is 12028493. The next prime is 12028531. The reversal of 12028517 is 71582021.

12028517 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12028517 - 2¹⁰ = 12027493 is a prime.

It is a Duffinian number.

It is a congruent 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2468 + ... + 5490.

It is an arithmetic number, because the mean of its divisors is an integer number (1578528).

Almost surely, 2^12028517 is an apocalyptic number.

It is an amenable number.

12028517 is a deficient number, since it is larger than the sum of its proper divisors (599707).

12028517 is a wasteful number, since it uses less digits than its factorization.

12028517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 12028517 is about 3468.2152470687. The cubic root of 12028517 is about 229.1240595757.

The spelling of 12028517 in words is "twelve million, twenty-eight thousand, five hundred seventeen".