12371320 has 64 divisors (see below), whose sum is σ = 30834720. Its totient is φ = 4437504.

The previous prime is 12371311. The next prime is 12371323. The reversal of 12371320 is 2317321.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12371323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18919 + ... + 19561.

Almost surely, 2^12371320 is an apocalyptic number.

12371320 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 12371320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15417360).

12371320 is an abundant number, since it is smaller than the sum of its proper divisors (18463400).

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

12371320 is a wasteful number, since it uses less digits than its factorization.

12371320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 12371320 is about 3517.2887285522. The cubic root of 12371320 is about 231.2803203487.

Adding to 12371320 its reverse (2317321), we get a palindrome (14688641).

The spelling of 12371320 in words is "twelve million, three hundred seventy-one thousand, three hundred twenty".