12321300 has 72 divisors (see below), whose sum is σ = 36240736. Its totient is φ = 3231360.

The previous prime is 12321299. The next prime is 12321301. The reversal of 12321300 is 312321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12321299) and next prime (12321301).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19794 + ... + 20406.

Almost surely, 2^12321300 is an apocalyptic number.

12321300 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 12321300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18120368).

12321300 is an abundant number, since it is smaller than the sum of its proper divisors (23919436).

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

12321300 is a wasteful number, since it uses less digits than its factorization.

12321300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 12321300 is about 3510.1709360087. The cubic root of 12321300 is about 230.9681933681.

Adding to 12321300 its reverse (312321), we get a palindrome (12633621).

It can be divided in two parts, 12321 and 300, that added together give a palindrome (12621).

The spelling of 12321300 in words is "twelve million, three hundred twenty-one thousand, three hundred".