12258842 has 4 divisors (see below), whose sum is σ = 18388266. Its totient is φ = 6129420.

The previous prime is 12258833. The next prime is 12258859. The reversal of 12258842 is 24885221.

12258842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24885221 = 4919 ⋅5059.

It can be written as a sum of positive squares in only one way, i.e., 7458361 + 4800481 = 2731^2 + 2191^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12258799 and 12258808.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3064709 + ... + 3064712.

Almost surely, 2^12258842 is an apocalyptic number.

12258842 is a deficient number, since it is larger than the sum of its proper divisors (6129424).

12258842 is an equidigital number, since it uses as much as digits as its factorization.

12258842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6129423.

The product of its digits is 10240, while the sum is 32.

The square root of 12258842 is about 3501.2629150065. The cubic root of 12258842 is about 230.5772644989.

The spelling of 12258842 in words is "twelve million, two hundred fifty-eight thousand, eight hundred forty-two".