12707212 has 24 divisors (see below), whose sum is σ = 26036640. Its totient is φ = 5312640.

The previous prime is 12707147. The next prime is 12707237. The reversal of 12707212 is 21270721.

It is a super-2 number, since 2×12707212² = 322946473625888, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4387 + ... + 6682.

It is an arithmetic number, because the mean of its divisors is an integer number (1084860).

Almost surely, 2^12707212 is an apocalyptic number.

It is an amenable number.

12707212 is an abundant number, since it is smaller than the sum of its proper divisors (13329428).

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

12707212 is a wasteful number, since it uses less digits than its factorization.

12707212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11121 (or 11119 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 12707212 is about 3564.7176606290. The cubic root of 12707212 is about 233.3548107214.

Adding to 12707212 its reverse (21270721), we get a palindrome (33977933).

The spelling of 12707212 in words is "twelve million, seven hundred seven thousand, two hundred twelve".