12132117 has 6 divisors (see below), whose sum is σ = 17524182. Its totient is φ = 8088072.

The previous prime is 12132103. The next prime is 12132151. The reversal of 12132117 is 71123121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7177041 + 4955076 = 2679^2 + 2226^2 .

It is not a de Polignac number, because 12132117 - 2⁶ = 12132053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12132117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132217) 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 5 ways as a sum of consecutive naturals, for example, 673998 + ... + 674015.

It is an arithmetic number, because the mean of its divisors is an integer number (2920697).

Almost surely, 2^12132117 is an apocalyptic number.

It is an amenable number.

12132117 is a deficient number, since it is larger than the sum of its proper divisors (5392065).

12132117 is a wasteful number, since it uses less digits than its factorization.

12132117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348019 (or 1348016 counting only the distinct ones).

The product of its digits is 84, while the sum is 18.

The square root of 12132117 is about 3483.1188610210. The cubic root of 12132117 is about 229.7799849406.

Adding to 12132117 its reverse (71123121), we get a palindrome (83255238).

The spelling of 12132117 in words is "twelve million, one hundred thirty-two thousand, one hundred seventeen".