12235428 has 48 divisors (see below), whose sum is σ = 31940160. Its totient is φ = 4050432.

The previous prime is 12235423. The next prime is 12235429. The reversal of 12235428 is 82453221.

12235428 is a `hidden beast` number, since 1 + 2 + 235 + 428 = 666.

12235428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12235423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20551 + ... + 21137.

It is an arithmetic number, because the mean of its divisors is an integer number (665420).

Almost surely, 2^12235428 is an apocalyptic number.

12235428 is a gapful number since it is divisible by the number (18) 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 12235428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15970080).

12235428 is an abundant number, since it is smaller than the sum of its proper divisors (19704732).

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

12235428 is a wasteful number, since it uses less digits than its factorization.

12235428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 785 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 12235428 is about 3497.9176662695. The cubic root of 12235428 is about 230.4303725151.

Adding to 12235428 its reverse (82453221), we get a palindrome (94688649).

The spelling of 12235428 in words is "twelve million, two hundred thirty-five thousand, four hundred twenty-eight".