13271212 has 12 divisors (see below), whose sum is σ = 24025680. Its totient is φ = 6406736.

The previous prime is 13271201. The next prime is 13271213. The reversal of 13271212 is 21217231.

It is a super-2 number, since 2×13271212² = 352250135897888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13271212.

It is not an unprimeable number, because it can be changed into a prime (13271213) 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, 57088 + ... + 57319.

It is an arithmetic number, because the mean of its divisors is an integer number (2002140).

Almost surely, 2^13271212 is an apocalyptic number.

It is an amenable number.

13271212 is a deficient number, since it is larger than the sum of its proper divisors (10754468).

13271212 is a wasteful number, since it uses less digits than its factorization.

13271212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114440 (or 114438 counting only the distinct ones).

The product of its digits is 168, while the sum is 19.

The square root of 13271212 is about 3642.9674717186. The cubic root of 13271212 is about 236.7573819623.

Adding to 13271212 its reverse (21217231), we get a palindrome (34488443).

The spelling of 13271212 in words is "thirteen million, two hundred seventy-one thousand, two hundred twelve".