12357828 has 144 divisors (see below), whose sum is σ = 39312000. Its totient is φ = 3193344.

The previous prime is 12357823. The next prime is 12357853. The reversal of 12357828 is 82875321.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12357792 and 12357801.

It is not an unprimeable number, because it can be changed into a prime (12357823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138808 + ... + 138896.

It is an arithmetic number, because the mean of its divisors is an integer number (273000).

Almost surely, 2^12357828 is an apocalyptic number.

12357828 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 12357828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19656000).

12357828 is an abundant number, since it is smaller than the sum of its proper divisors (26954172).

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

12357828 is a wasteful number, since it uses less digits than its factorization.

12357828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 149 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 12357828 is about 3515.3702507702. The cubic root of 12357828 is about 231.1962126669.

The spelling of 12357828 in words is "twelve million, three hundred fifty-seven thousand, eight hundred twenty-eight".