12117325 has 24 divisors (see below), whose sum is σ = 16561440. Its totient is φ = 8721600.

The previous prime is 12117323. The next prime is 12117341. The reversal of 12117325 is 52371121.

It is a happy number.

It is not a de Polignac number, because 12117325 - 2¹ = 12117323 is a prime.

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 12117296 and 12117305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12117323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38067 + ... + 38383.

It is an arithmetic number, because the mean of its divisors is an integer number (690060).

Almost surely, 2^12117325 is an apocalyptic number.

It is an amenable number.

12117325 is a deficient number, since it is larger than the sum of its proper divisors (4444115).

12117325 is a wasteful number, since it uses less digits than its factorization.

12117325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 472 counting only the distinct ones).

The product of its digits is 420, while the sum is 22.

The square root of 12117325 is about 3480.9948290683. The cubic root of 12117325 is about 229.6865610741.

Adding to 12117325 its reverse (52371121), we get a palindrome (64488446).

The spelling of 12117325 in words is "twelve million, one hundred seventeen thousand, three hundred twenty-five".