12426518 has 16 divisors (see below), whose sum is σ = 20502720. Its totient is φ = 5612736.

The previous prime is 12426517. The next prime is 12426523. The reversal of 12426518 is 81562421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12426517) 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, 3863 + ... + 6306.

It is an arithmetic number, because the mean of its divisors is an integer number (1281420).

Almost surely, 2^12426518 is an apocalyptic number.

12426518 is a deficient number, since it is larger than the sum of its proper divisors (8076202).

12426518 is a wasteful number, since it uses less digits than its factorization.

12426518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10231.

The product of its digits is 3840, while the sum is 29.

The square root of 12426518 is about 3525.1266643909. The cubic root of 12426518 is about 231.6237833316.

Adding to 12426518 its reverse (81562421), we get a palindrome (93988939).

The spelling of 12426518 in words is "twelve million, four hundred twenty-six thousand, five hundred eighteen".