12456212 has 12 divisors (see below), whose sum is σ = 21830676. Its totient is φ = 6218880.

The previous prime is 12456211. The next prime is 12456217. The reversal of 12456212 is 21265421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2808976 + 9647236 = 1676^2 + 3106^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12456211) 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, 1388 + ... + 5180.

It is an arithmetic number, because the mean of its divisors is an integer number (1819223).

Almost surely, 2^12456212 is an apocalyptic number.

It is an amenable number.

12456212 is a deficient number, since it is larger than the sum of its proper divisors (9374464).

12456212 is a wasteful number, since it uses less digits than its factorization.

12456212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4618 (or 4616 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 12456212 is about 3529.3359148712. The cubic root of 12456212 is about 231.8081301060.

The spelling of 12456212 in words is "twelve million, four hundred fifty-six thousand, two hundred twelve".