12219933 has 24 divisors (see below), whose sum is σ = 18551520. Its totient is φ = 7087360.

The previous prime is 12219931. The next prime is 12219973. The reversal of 12219933 is 33991221.

It is a happy number.

It is not a de Polignac number, because 12219933 - 2¹ = 12219931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12219933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12219931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108085 + ... + 108197.

It is an arithmetic number, because the mean of its divisors is an integer number (772980).

Almost surely, 2^12219933 is an apocalyptic number.

It is an amenable number.

12219933 is a deficient number, since it is larger than the sum of its proper divisors (6331587).

12219933 is a wasteful number, since it uses less digits than its factorization.

12219933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 156 counting only the distinct ones).

The product of its digits is 2916, while the sum is 30.

The square root of 12219933 is about 3495.7020754063. The cubic root of 12219933 is about 230.3330587438. Note that the first 3 decimals are identical.

The spelling of 12219933 in words is "twelve million, two hundred nineteen thousand, nine hundred thirty-three".