12432164 has 6 divisors (see below), whose sum is σ = 21756294. Its totient is φ = 6216080.

The previous prime is 12432163. The next prime is 12432169. The reversal of 12432164 is 46123421.

It can be written as a sum of positive squares in only one way, i.e., 9872164 + 2560000 = 3142^2 + 1600^2 .

It is not an unprimeable number, because it can be changed into a prime (12432163) 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 as a sum of consecutive naturals, namely, 1554017 + ... + 1554024.

It is an arithmetic number, because the mean of its divisors is an integer number (3626049).

Almost surely, 2^12432164 is an apocalyptic number.

It is an amenable number.

12432164 is a deficient number, since it is larger than the sum of its proper divisors (9324130).

12432164 is a wasteful number, since it uses less digits than its factorization.

12432164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108045 (or 3108043 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 12432164 is about 3525.9273957358. The cubic root of 12432164 is about 231.6588575139.

Adding to 12432164 its reverse (46123421), we get a palindrome (58555585).

The spelling of 12432164 in words is "twelve million, four hundred thirty-two thousand, one hundred sixty-four".