12013330 has 24 divisors (see below), whose sum is σ = 25155468. Its totient is φ = 4118688.

The previous prime is 12013321. The next prime is 12013333. The reversal of 12013330 is 3331021.

It can be written as a sum of positive squares in 2 ways, for example, as 11431161 + 582169 = 3381^2 + 763^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12013330.

It is not an unprimeable number, because it can be changed into a prime (12013333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11769 + ... + 12748.

Almost surely, 2^12013330 is an apocalyptic number.

12013330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12013330 is an abundant number, since it is smaller than the sum of its proper divisors (13142138).

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

12013330 is a wasteful number, since it uses less digits than its factorization.

12013330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24538 (or 24531 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 12013330 is about 3466.0251008901. The cubic root of 12013330 is about 229.0275895899.

Adding to 12013330 its reverse (3331021), we get a palindrome (15344351).

The spelling of 12013330 in words is "twelve million, thirteen thousand, three hundred thirty".