12428773 has 8 divisors (see below), whose sum is σ = 14227200. Its totient is φ = 10636080.

The previous prime is 12428771. The next prime is 12428803. The reversal of 12428773 is 37782421.

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

It is not a de Polignac number, because 12428773 - 2¹ = 12428771 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 (12428771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5403 + ... + 7351.

It is an arithmetic number, because the mean of its divisors is an integer number (1778400).

Almost surely, 2^12428773 is an apocalyptic number.

It is an amenable number.

12428773 is a deficient number, since it is larger than the sum of its proper divisors (1798427).

12428773 is an equidigital number, since it uses as much as digits as its factorization.

12428773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867.

The product of its digits is 18816, while the sum is 34.

The square root of 12428773 is about 3525.4464965448. The cubic root of 12428773 is about 231.6377931569.

The spelling of 12428773 in words is "twelve million, four hundred twenty-eight thousand, seven hundred seventy-three".