12525318 has 24 divisors (see below), whose sum is σ = 29226288. Its totient is φ = 3853872.

The previous prime is 12525301. The next prime is 12525347. The reversal of 12525318 is 81352521.

It is a happy number.

12525318 is a `hidden beast` number, since 125 + 2 + 531 + 8 = 666.

It is a super-2 number, since 2×12525318² = 313767182002248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12525291 and 12525300.

It is a congruent number.

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, 26530 + ... + 26997.

It is an arithmetic number, because the mean of its divisors is an integer number (1217762).

Almost surely, 2^12525318 is an apocalyptic number.

12525318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12525318 is an abundant number, since it is smaller than the sum of its proper divisors (16700970).

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

12525318 is a wasteful number, since it uses less digits than its factorization.

12525318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53548 (or 53545 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 12525318 is about 3539.1126006388. The cubic root of 12525318 is about 232.2360236738.

Adding to 12525318 its reverse (81352521), we get a palindrome (93877839).

The spelling of 12525318 in words is "twelve million, five hundred twenty-five thousand, three hundred eighteen".