12209330 has 24 divisors (see below), whose sum is σ = 25565868. Its totient is φ = 4185888.

The previous prime is 12209321. The next prime is 12209341. The reversal of 12209330 is 3390221.

12209330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12201049 + 8281 = 3493^2 + 91^2 .

It is a Curzon number.

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, 11969 + ... + 12948.

Almost surely, 2^12209330 is an apocalyptic number.

12209330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12209330 is an abundant number, since it is smaller than the sum of its proper divisors (13356538).

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

12209330 is a wasteful number, since it uses less digits than its factorization.

12209330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24938 (or 24931 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 12209330 is about 3494.1851696783. The cubic root of 12209330 is about 230.2664209503.

Adding to 12209330 its reverse (3390221), we get a palindrome (15599551).

The spelling of 12209330 in words is "twelve million, two hundred nine thousand, three hundred thirty".