12168525 has 24 divisors (see below), whose sum is σ = 20355840. Its totient is φ = 6413440.

The previous prime is 12168517. The next prime is 12168551. The reversal of 12168525 is 52586121.

It is not a de Polignac number, because 12168525 - 2³ = 12168517 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12168492 and 12168501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5764 + ... + 7586.

It is an arithmetic number, because the mean of its divisors is an integer number (848160).

Almost surely, 2^12168525 is an apocalyptic number.

12168525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12168525 is a deficient number, since it is larger than the sum of its proper divisors (8187315).

12168525 is a wasteful number, since it uses less digits than its factorization.

12168525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925 (or 1920 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 12168525 is about 3488.3412963757. The cubic root of 12168525 is about 230.0096089243.

The spelling of 12168525 in words is "twelve million, one hundred sixty-eight thousand, five hundred twenty-five".