12426448 has 20 divisors (see below), whose sum is σ = 24256260. Its totient is φ = 6166784.

The previous prime is 12426431. The next prime is 12426481. The reversal of 12426448 is 84462421.

It can be written as a sum of positive squares in 2 ways, for example, as 5071504 + 7354944 = 2252^2 + 2712^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 643 + ... + 5026.

It is an arithmetic number, because the mean of its divisors is an integer number (1212813).

Almost surely, 2^12426448 is an apocalyptic number.

It is an amenable number.

12426448 is a deficient number, since it is larger than the sum of its proper divisors (11829812).

12426448 is a wasteful number, since it uses less digits than its factorization.

12426448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5814 (or 5808 counting only the distinct ones).

The product of its digits is 12288, while the sum is 31.

The square root of 12426448 is about 3525.1167356557. The cubic root of 12426448 is about 231.6233484097.

Adding to 12426448 its reverse (84462421), we get a palindrome (96888869).

The spelling of 12426448 in words is "twelve million, four hundred twenty-six thousand, four hundred forty-eight".