12563300 has 36 divisors (see below), whose sum is σ = 27651876. Its totient is φ = 4953600.

The previous prime is 12563273. The next prime is 12563321. The reversal of 12563300 is 336521.

It can be written as a sum of positive squares in 6 ways, for example, as 3364 + 12559936 = 58^2 + 3544^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6440 + ... + 8160.

Almost surely, 2^12563300 is an apocalyptic number.

12563300 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 12563300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13825938).

12563300 is an abundant number, since it is smaller than the sum of its proper divisors (15088576).

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

12563300 is a wasteful number, since it uses less digits than its factorization.

12563300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808 (or 1801 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 12563300 is about 3544.4745731913. The cubic root of 12563300 is about 232.4705323582.

Adding to 12563300 its reverse (336521), we get a palindrome (12899821).

The spelling of 12563300 in words is "twelve million, five hundred sixty-three thousand, three hundred".