12258426 has 16 divisors (see below), whose sum is σ = 25115328. Its totient is φ = 3986400.

The previous prime is 12258413. The next prime is 12258427. The reversal of 12258426 is 62485221.

It is a junction number, because it is equal to n+sod(n) for n = 12258393 and 12258402.

It is not an unprimeable number, because it can be changed into a prime (12258427) 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, 24670 + ... + 25161.

It is an arithmetic number, because the mean of its divisors is an integer number (1569708).

Almost surely, 2^12258426 is an apocalyptic number.

12258426 is an abundant number, since it is smaller than the sum of its proper divisors (12856902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12258426 is a wasteful number, since it uses less digits than its factorization.

12258426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49877.

The product of its digits is 7680, while the sum is 30.

The square root of 12258426 is about 3501.2035073671. The cubic root of 12258426 is about 230.5746562800.

The spelling of 12258426 in words is "twelve million, two hundred fifty-eight thousand, four hundred twenty-six".