12164452 has 12 divisors (see below), whose sum is σ = 22540140. Its totient is φ = 5724416.

The previous prime is 12164429. The next prime is 12164459. The reversal of 12164452 is 25446121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3904576 + 8259876 = 1976^2 + 2874^2 .

It is not an unprimeable number, because it can be changed into a prime (12164459) 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 3 ways as a sum of consecutive naturals, for example, 89377 + ... + 89512.

It is an arithmetic number, because the mean of its divisors is an integer number (1878345).

Almost surely, 2^12164452 is an apocalyptic number.

It is an amenable number.

12164452 is a deficient number, since it is larger than the sum of its proper divisors (10375688).

12164452 is a wasteful number, since it uses less digits than its factorization.

12164452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178910 (or 178908 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 12164452 is about 3487.7574456949. The cubic root of 12164452 is about 229.9839434286.

The spelling of 12164452 in words is "twelve million, one hundred sixty-four thousand, four hundred fifty-two".