12385100 has 72 divisors (see below), whose sum is σ = 33102048. Its totient is φ = 3916800.

The previous prime is 12385081. The next prime is 12385159. The reversal of 12385100 is 158321.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8420 + ... + 9780.

Almost surely, 2^12385100 is an apocalyptic number.

12385100 is a gapful number since it is divisible by the number (10) 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 12385100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16551024).

12385100 is an abundant number, since it is smaller than the sum of its proper divisors (20716948).

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

12385100 is a wasteful number, since it uses less digits than its factorization.

12385100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395 (or 1388 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 12385100 is about 3519.2470785667. The cubic root of 12385100 is about 231.3661602923.

The spelling of 12385100 in words is "twelve million, three hundred eighty-five thousand, one hundred".