12199216 has 20 divisors (see below), whose sum is σ = 24880600. Its totient is φ = 5778432.

The previous prime is 12199211. The next prime is 12199237. The reversal of 12199216 is 61299121.

It is not an unprimeable number, because it can be changed into a prime (12199211) 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, 19761 + ... + 20368.

It is an arithmetic number, because the mean of its divisors is an integer number (1244030).

Almost surely, 2^12199216 is an apocalyptic number.

12199216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12199216 is an abundant number, since it is smaller than the sum of its proper divisors (12681384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12199216 is a wasteful number, since it uses less digits than its factorization.

12199216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40156 (or 40150 counting only the distinct ones).

The product of its digits is 1944, while the sum is 31.

The square root of 12199216 is about 3492.7376082380. The cubic root of 12199216 is about 230.2028204645.

The spelling of 12199216 in words is "twelve million, one hundred ninety-nine thousand, two hundred sixteen".