12432525 has 72 divisors (see below), whose sum is σ = 25444800. Its totient is φ = 5322240.

The previous prime is 12432523. The next prime is 12432527. The reversal of 12432525 is 52523421.

It is an interprime number because it is at equal distance from previous prime (12432523) and next prime (12432527).

It is not a de Polignac number, because 12432525 - 2¹ = 12432523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12432495 and 12432504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432521) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 62376 + ... + 62574.

It is an arithmetic number, because the mean of its divisors is an integer number (353400).

Almost surely, 2^12432525 is an apocalyptic number.

12432525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12432525 is an abundant number, since it is smaller than the sum of its proper divisors (13012275).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12432525 is a wasteful number, since it uses less digits than its factorization.

12432525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 231 counting only the distinct ones).

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

The square root of 12432525 is about 3525.9785875697. The cubic root of 12432525 is about 231.6610997633.

Adding to 12432525 its reverse (52523421), we get a palindrome (64955946).

The spelling of 12432525 in words is "twelve million, four hundred thirty-two thousand, five hundred twenty-five".