12426425 has 24 divisors (see below), whose sum is σ = 17067360. Its totient is φ = 8899200.

The previous prime is 12426409. The next prime is 12426431. The reversal of 12426425 is 52462421.

It is not a de Polignac number, because 12426425 - 2⁴ = 12426409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12426394 and 12426403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19766 + ... + 20384.

It is an arithmetic number, because the mean of its divisors is an integer number (711140).

Almost surely, 2^12426425 is an apocalyptic number.

It is an amenable number.

12426425 is a deficient number, since it is larger than the sum of its proper divisors (4640935).

12426425 is a wasteful number, since it uses less digits than its factorization.

12426425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 708 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 12426425 is about 3525.1134733509. The cubic root of 12426425 is about 231.6232055064.

Adding to 12426425 its reverse (52462421), we get a palindrome (64888846).

It can be divided in two parts, 1242 and 6425, that added together give a palindrome (7667).

The spelling of 12426425 in words is "twelve million, four hundred twenty-six thousand, four hundred twenty-five".