12426424 has 16 divisors (see below), whose sum is σ = 23796000. Its totient is φ = 6080832.

The previous prime is 12426409. The next prime is 12426431. The reversal of 12426424 is 42462421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16149 + ... + 16900.

It is an arithmetic number, because the mean of its divisors is an integer number (1487250).

Almost surely, 2^12426424 is an apocalyptic number.

It is an amenable number.

12426424 is a deficient number, since it is larger than the sum of its proper divisors (11369576).

12426424 is a wasteful number, since it uses less digits than its factorization.

12426424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33102 (or 33098 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 12426424 is about 3525.1133315115. The cubic root of 12426424 is about 231.6231992932.

Adding to 12426424 its reverse (42462421), we get a palindrome (54888845).

The spelling of 12426424 in words is "twelve million, four hundred twenty-six thousand, four hundred twenty-four".