12428052 has 96 divisors (see below), whose sum is σ = 37632000. Its totient is φ = 3100032.

The previous prime is 12428051. The next prime is 12428077. The reversal of 12428052 is 25082421.

12428052 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12428051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20449 + ... + 21047.

It is an arithmetic number, because the mean of its divisors is an integer number (392000).

Almost surely, 2^12428052 is an apocalyptic number.

12428052 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 12428052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18816000).

12428052 is an abundant number, since it is smaller than the sum of its proper divisors (25203948).

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

12428052 is a wasteful number, since it uses less digits than its factorization.

12428052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 12428052 is about 3525.3442385106. The cubic root of 12428052 is about 231.6333139248.

The spelling of 12428052 in words is "twelve million, four hundred twenty-eight thousand, fifty-two".