12724212 has 12 divisors (see below), whose sum is σ = 29689856. Its totient is φ = 4241400.

The previous prime is 12724207. The next prime is 12724213. The reversal of 12724212 is 21242721.

12724212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12724213) 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, 530164 + ... + 530187.

Almost surely, 2^12724212 is an apocalyptic number.

12724212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12724212 is an abundant number, since it is smaller than the sum of its proper divisors (16965644).

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

12724212 is a wasteful number, since it uses less digits than its factorization.

12724212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060358 (or 1060356 counting only the distinct ones).

The product of its digits is 448, while the sum is 21.

The square root of 12724212 is about 3567.1013442290. The cubic root of 12724212 is about 233.4588268249.

Adding to 12724212 its reverse (21242721), we get a palindrome (33966933).

The spelling of 12724212 in words is "twelve million, seven hundred twenty-four thousand, two hundred twelve".