12213300 has 72 divisors (see below), whose sum is σ = 38560032. Its totient is φ = 2960000.

The previous prime is 12213283. The next prime is 12213317. The reversal of 12213300 is 331221.

It is a happy number.

12213300 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12213283) and next prime (12213317).

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

It is a congruent number.

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, 1450 + ... + 5150.

It is an arithmetic number, because the mean of its divisors is an integer number (535556).

Almost surely, 2^12213300 is an apocalyptic number.

12213300 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 12213300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19280016).

12213300 is an abundant number, since it is smaller than the sum of its proper divisors (26346732).

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

12213300 is a wasteful number, since it uses less digits than its factorization.

12213300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729 (or 3722 counting only the distinct ones).

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

The square root of 12213300 is about 3494.7532101709. The cubic root of 12213300 is about 230.2913761451.

Adding to 12213300 its reverse (331221), we get a palindrome (12544521).

It can be divided in two parts, 12 and 213300, that added together give a palindrome (213312).

The spelling of 12213300 in words is "twelve million, two hundred thirteen thousand, three hundred".