12426123 has 16 divisors (see below), whose sum is σ = 17241120. Its totient is φ = 7951104.

The previous prime is 12426121. The next prime is 12426137. The reversal of 12426123 is 32162421.

It is not a de Polignac number, because 12426123 - 2¹ = 12426121 is a prime.

It is a super-2 number, since 2×12426123² = 308817065622258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12426123.

It is not an unprimeable number, because it can be changed into a prime (12426121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19965 + ... + 20577.

It is an arithmetic number, because the mean of its divisors is an integer number (1077570).

Almost surely, 2^12426123 is an apocalyptic number.

12426123 is a deficient number, since it is larger than the sum of its proper divisors (4814997).

12426123 is a wasteful number, since it uses less digits than its factorization.

12426123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878.

The product of its digits is 576, while the sum is 21.

The square root of 12426123 is about 3525.0706375901. The cubic root of 12426123 is about 231.6213291079.

Adding to 12426123 its reverse (32162421), we get a palindrome (44588544).

The spelling of 12426123 in words is "twelve million, four hundred twenty-six thousand, one hundred twenty-three".