12384425 has 6 divisors (see below), whose sum is σ = 15356718. Its totient is φ = 9907520.

The previous prime is 12384401. The next prime is 12384443. The reversal of 12384425 is 52448321.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 162409 + 12222016 = 403^2 + 3496^2 .

It is not a de Polignac number, because 12384425 - 2¹⁰ = 12383401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 247664 + ... + 247713.

It is an arithmetic number, because the mean of its divisors is an integer number (2559453).

Almost surely, 2^12384425 is an apocalyptic number.

It is an amenable number.

12384425 is a deficient number, since it is larger than the sum of its proper divisors (2972293).

12384425 is an equidigital number, since it uses as much as digits as its factorization.

12384425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495387 (or 495382 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 12384425 is about 3519.1511760650. The cubic root of 12384425 is about 231.3619569890.

It can be divided in two parts, 123 and 84425, that added together give a palindrome (84548).

The spelling of 12384425 in words is "twelve million, three hundred eighty-four thousand, four hundred twenty-five".