12229958 has 24 divisors (see below), whose sum is σ = 20866608. Its totient is φ = 5343408.

The previous prime is 12229927. The next prime is 12229961. The reversal of 12229958 is 85992221.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8735 + ... + 10037.

It is an arithmetic number, because the mean of its divisors is an integer number (869442).

Almost surely, 2^12229958 is an apocalyptic number.

12229958 is a deficient number, since it is larger than the sum of its proper divisors (8636650).

12229958 is a wasteful number, since it uses less digits than its factorization.

12229958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356 (or 1337 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 12229958 is about 3497.1356851000. The cubic root of 12229958 is about 230.3960284769.

The spelling of 12229958 in words is "twelve million, two hundred twenty-nine thousand, nine hundred fifty-eight".