12159252 has 108 divisors (see below), whose sum is σ = 36661716. Its totient is φ = 3386880.

The previous prime is 12159187. The next prime is 12159281. The reversal of 12159252 is 25295121.

12159252 is a `hidden beast` number, since 1 + 21 + 592 + 52 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 298116 + 11861136 = 546^2 + 3444^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 107548 + ... + 107660.

Almost surely, 2^12159252 is an apocalyptic number.

12159252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12159252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18330858).

12159252 is an abundant number, since it is smaller than the sum of its proper divisors (24502464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12159252 is a wasteful number, since it uses less digits than its factorization.

12159252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 186 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 12159252 is about 3487.0119013276. The cubic root of 12159252 is about 229.9511679569.

The spelling of 12159252 in words is "twelve million, one hundred fifty-nine thousand, two hundred fifty-two".