12223939 has 12 divisors (see below), whose sum is σ = 15128976. Its totient is φ = 9670752.

The previous prime is 12223933. The next prime is 12223979. The reversal of 12223939 is 93932221.

It is a happy number.

12223939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12223939 - 2¹⁵ = 12191171 is a prime.

It is a Duffinian number.

12223939 is a modest number, since divided by 3939 gives 1222 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 12223939.

It is not an unprimeable number, because it can be changed into a prime (12223933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3984 + ... + 6349.

It is an arithmetic number, because the mean of its divisors is an integer number (1260748).

Almost surely, 2^12223939 is an apocalyptic number.

12223939 is a deficient number, since it is larger than the sum of its proper divisors (2905037).

12223939 is a wasteful number, since it uses less digits than its factorization.

12223939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10366 (or 10353 counting only the distinct ones).

The product of its digits is 5832, while the sum is 31.

The square root of 12223939 is about 3496.2750177868. The cubic root of 12223939 is about 230.3582256418.

The spelling of 12223939 in words is "twelve million, two hundred twenty-three thousand, nine hundred thirty-nine".