12523425 has 12 divisors (see below), whose sum is σ = 20705520. Its totient is φ = 6679120.

The previous prime is 12523421. The next prime is 12523429. The reversal of 12523425 is 52432521.

It is an interprime number because it is at equal distance from previous prime (12523421) and next prime (12523429).

It is not a de Polignac number, because 12523425 - 2² = 12523421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12523395 and 12523404.

It is not an unprimeable number, because it can be changed into a prime (12523421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83415 + ... + 83564.

It is an arithmetic number, because the mean of its divisors is an integer number (1725460).

Almost surely, 2^12523425 is an apocalyptic number.

12523425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12523425 is a deficient number, since it is larger than the sum of its proper divisors (8182095).

12523425 is a wasteful number, since it uses less digits than its factorization.

12523425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166992 (or 166987 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 12523425 is about 3538.8451506106. The cubic root of 12523425 is about 232.2243235067.

Adding to 12523425 its reverse (52432521), we get a palindrome (64955946).

The spelling of 12523425 in words is "twelve million, five hundred twenty-three thousand, four hundred twenty-five".