12013300 has 36 divisors (see below), whose sum is σ = 28077196. Its totient is φ = 4435200.

The previous prime is 12013283. The next prime is 12013303. The reversal of 12013300 is 331021.

It can be written as a sum of positive squares in 6 ways, for example, as 144 + 12013156 = 12^2 + 3466^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3321 + ... + 5920.

Almost surely, 2^12013300 is an apocalyptic number.

12013300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12013300 is an abundant number, since it is smaller than the sum of its proper divisors (16063896).

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

12013300 is a wasteful number, since it uses less digits than its factorization.

12013300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9268 (or 9261 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 12013300 is about 3466.0207731634. The cubic root of 12013300 is about 229.0273989451.

Adding to 12013300 its reverse (331021), we get a palindrome (12344321).

The spelling of 12013300 in words is "twelve million, thirteen thousand, three hundred".