12743212 has 6 divisors (see below), whose sum is σ = 22300628. Its totient is φ = 6371604.

The previous prime is 12743197. The next prime is 12743221. The reversal of 12743212 is 21234721.

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1592898 + ... + 1592905.

Almost surely, 2^12743212 is an apocalyptic number.

It is an amenable number.

12743212 is a deficient number, since it is larger than the sum of its proper divisors (9557416).

12743212 is a wasteful number, since it uses less digits than its factorization.

12743212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185807 (or 3185805 counting only the distinct ones).

The product of its digits is 672, while the sum is 22.

The square root of 12743212 is about 3569.7635776057. The cubic root of 12743212 is about 233.5749705387.

Adding to 12743212 its reverse (21234721), we get a palindrome (33977933).

The spelling of 12743212 in words is "twelve million, seven hundred forty-three thousand, two hundred twelve".