12028473 has 8 divisors (see below), whose sum is σ = 17820000. Its totient is φ = 8018964.

The previous prime is 12028451. The next prime is 12028481. The reversal of 12028473 is 37482021.

It is not a de Polignac number, because 12028473 - 2⁶ = 12028409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 445499 = 12028473 / (1 + 2 + 0 + 2 + 8 + 4 + 7 + 3).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12028493) 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, 222723 + ... + 222776.

It is an arithmetic number, because the mean of its divisors is an integer number (2227500).

Almost surely, 2^12028473 is an apocalyptic number.

It is an amenable number.

12028473 is a deficient number, since it is larger than the sum of its proper divisors (5791527).

12028473 is an equidigital number, since it uses as much as digits as its factorization.

12028473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445508 (or 445502 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 12028473 is about 3468.2089037427. The cubic root of 12028473 is about 229.1237801987.

The spelling of 12028473 in words is "twelve million, twenty-eight thousand, four hundred seventy-three".