12214172 has 12 divisors (see below), whose sum is σ = 21829920. Its totient is φ = 5977056.

The previous prime is 12214171. The next prime is 12214183. The reversal of 12214172 is 27141221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12214171) 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, 32297 + ... + 32672.

It is an arithmetic number, because the mean of its divisors is an integer number (1819160).

Almost surely, 2^12214172 is an apocalyptic number.

It is an amenable number.

12214172 is a deficient number, since it is larger than the sum of its proper divisors (9615748).

12214172 is a wasteful number, since it uses less digits than its factorization.

12214172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65020 (or 65018 counting only the distinct ones).

The product of its digits is 224, while the sum is 20.

The square root of 12214172 is about 3494.8779663960. The cubic root of 12214172 is about 230.2968567632.

Adding to 12214172 its reverse (27141221), we get a palindrome (39355393).

The spelling of 12214172 in words is "twelve million, two hundred fourteen thousand, one hundred seventy-two".