13143212 has 48 divisors (see below), whose sum is σ = 25858560. Its totient is φ = 5816448.

The previous prime is 13143211. The next prime is 13143217. The reversal of 13143212 is 21234131.

It is not an unprimeable number, because it can be changed into a prime (13143211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127553 + ... + 127655.

It is an arithmetic number, because the mean of its divisors is an integer number (538720).

Almost surely, 2^13143212 is an apocalyptic number.

It is an amenable number.

13143212 is a deficient number, since it is larger than the sum of its proper divisors (12715348).

13143212 is a wasteful number, since it uses less digits than its factorization.

13143212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 220 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 13143212 is about 3625.3568100257. The cubic root of 13143212 is about 235.9937516300.

Adding to 13143212 its reverse (21234131), we get a palindrome (34377343).

The spelling of 13143212 in words is "thirteen million, one hundred forty-three thousand, two hundred twelve".