12453212 has 24 divisors (see below), whose sum is σ = 22880256. Its totient is φ = 5919408.

The previous prime is 12453191. The next prime is 12453241. The reversal of 12453212 is 21235421.

12453212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20213 + ... + 20819.

It is an arithmetic number, because the mean of its divisors is an integer number (953344).

Almost surely, 2^12453212 is an apocalyptic number.

It is an amenable number.

12453212 is a deficient number, since it is larger than the sum of its proper divisors (10427044).

12453212 is a wasteful number, since it uses less digits than its factorization.

12453212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857 (or 855 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 12453212 is about 3528.9108801442. The cubic root of 12453212 is about 231.7895187704.

Adding to 12453212 its reverse (21235421), we get a palindrome (33688633).

The spelling of 12453212 in words is "twelve million, four hundred fifty-three thousand, two hundred twelve".