12423425 has 12 divisors (see below), whose sum is σ = 17606016. Its totient is φ = 8518800.

The previous prime is 12423409. The next prime is 12423457. The reversal of 12423425 is 52432421.

It is a happy number.

It is not a de Polignac number, because 12423425 - 2⁴ = 12423409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12423425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35321 + ... + 35670.

It is an arithmetic number, because the mean of its divisors is an integer number (1467168).

Almost surely, 2^12423425 is an apocalyptic number.

It is an amenable number.

12423425 is a deficient number, since it is larger than the sum of its proper divisors (5182591).

12423425 is an equidigital number, since it uses as much as digits as its factorization.

12423425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71008 (or 71003 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 12423425 is about 3524.6879294485. The cubic root of 12423425 is about 231.6045644373.

Adding to 12423425 its reverse (52432421), we get a palindrome (64855846).

The spelling of 12423425 in words is "twelve million, four hundred twenty-three thousand, four hundred twenty-five".