12052236 has 72 divisors (see below), whose sum is σ = 33196800. Its totient is φ = 3392928.

The previous prime is 12052231. The next prime is 12052259. The reversal of 12052236 is 63225021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12052231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60465 + ... + 60663.

Almost surely, 2^12052236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12052236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16598400).

12052236 is an abundant number, since it is smaller than the sum of its proper divisors (21144564).

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

12052236 is a wasteful number, since it uses less digits than its factorization.

12052236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 12052236 is about 3471.6330451244. The cubic root of 12052236 is about 229.2745637297.

Adding to 12052236 its reverse (63225021), we get a palindrome (75277257).

The spelling of 12052236 in words is "twelve million, fifty-two thousand, two hundred thirty-six".