12217196 has 6 divisors (see below), whose sum is σ = 21380100. Its totient is φ = 6108596.

The previous prime is 12217159. The next prime is 12217199. The reversal of 12217196 is 69171221.

It is not an unprimeable number, because it can be changed into a prime (12217199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1527146 + ... + 1527153.

It is an arithmetic number, because the mean of its divisors is an integer number (3563350).

Almost surely, 2^12217196 is an apocalyptic number.

It is an amenable number.

12217196 is a deficient number, since it is larger than the sum of its proper divisors (9162904).

12217196 is a wasteful number, since it uses less digits than its factorization.

12217196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054303 (or 3054301 counting only the distinct ones).

The product of its digits is 1512, while the sum is 29.

The square root of 12217196 is about 3495.3105727532. The cubic root of 12217196 is about 230.3158609230.

The spelling of 12217196 in words is "twelve million, two hundred seventeen thousand, one hundred ninety-six".