12858433 has 12 divisors (see below), whose sum is σ = 15018132. Its totient is φ = 10977120.

The previous prime is 12858431. The next prime is 12858437. The reversal of 12858433 is 33485821.

It is a happy number.

12858433 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 2 ways, for example, as 9443329 + 3415104 = 3073^2 + 1848^2 .

It is not a de Polignac number, because 12858433 - 2¹ = 12858431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12858431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19123 + ... + 19783.

It is an arithmetic number, because the mean of its divisors is an integer number (1251511).

Almost surely, 2^12858433 is an apocalyptic number.

It is an amenable number.

12858433 is a deficient number, since it is larger than the sum of its proper divisors (2159699).

12858433 is an equidigital number, since it uses as much as digits as its factorization.

12858433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1065 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 12858433 is about 3585.8657253166. The cubic root of 12858433 is about 234.2768352879.

The spelling of 12858433 in words is "twelve million, eight hundred fifty-eight thousand, four hundred thirty-three".