12304212 has 12 divisors (see below), whose sum is σ = 28709856. Its totient is φ = 4101400.

The previous prime is 12304181. The next prime is 12304217. The reversal of 12304212 is 21240321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12304191 and 12304200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12304217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512664 + ... + 512687.

It is an arithmetic number, because the mean of its divisors is an integer number (2392488).

Almost surely, 2^12304212 is an apocalyptic number.

12304212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12304212 is an abundant number, since it is smaller than the sum of its proper divisors (16405644).

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

12304212 is a wasteful number, since it uses less digits than its factorization.

12304212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025358 (or 1025356 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12304212 is about 3507.7360219948. The cubic root of 12304212 is about 230.8613699418.

Adding to 12304212 its reverse (21240321), we get a palindrome (33544533).

The spelling of 12304212 in words is "twelve million, three hundred four thousand, two hundred twelve".