12345300 has 216 divisors, whose sum is σ = 44684640. Its totient is φ = 2822400.

The previous prime is 12345293. The next prime is 12345301. The reversal of 12345300 is 354321.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12345301) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 287079 + ... + 287121.

Almost surely, 2^12345300 is an apocalyptic number.

12345300 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 12345300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22342320).

12345300 is an abundant number, since it is smaller than the sum of its proper divisors (32339340).

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

12345300 is a wasteful number, since it uses less digits than its factorization.

12345300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 12345300 is about 3513.5879098153. The cubic root of 12345300 is about 231.1180596270.

Adding to 12345300 its reverse (354321), we get a palindrome (12699621).

The spelling of 12345300 in words is "twelve million, three hundred forty-five thousand, three hundred".