12310380 has 144 divisors (see below), whose sum is σ = 41277600. Its totient is φ = 3068928.

The previous prime is 12310369. The next prime is 12310387. The reversal of 12310380 is 8301321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12310387) 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, 82546 + ... + 82694.

It is an arithmetic number, because the mean of its divisors is an integer number (286650).

Almost surely, 2^12310380 is an apocalyptic number.

12310380 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 12310380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20638800).

12310380 is an abundant number, since it is smaller than the sum of its proper divisors (28967220).

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

12310380 is a wasteful number, since it uses less digits than its factorization.

12310380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12310380 is about 3508.6151114079. The cubic root of 12310380 is about 230.8999397978.

The spelling of 12310380 in words is "twelve million, three hundred ten thousand, three hundred eighty".