12229293 has 16 divisors (see below), whose sum is σ = 17338880. Its totient is φ = 7645104.

The previous prime is 12229289. The next prime is 12229313. The reversal of 12229293 is 39292221.

It is a happy number.

It is not a de Polignac number, because 12229293 - 2² = 12229289 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12229293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12229093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4830 + ... + 6912.

It is an arithmetic number, because the mean of its divisors is an integer number (1083680).

Almost surely, 2^12229293 is an apocalyptic number.

It is an amenable number.

12229293 is a deficient number, since it is larger than the sum of its proper divisors (5109587).

12229293 is a wasteful number, since it uses less digits than its factorization.

12229293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208.

The product of its digits is 3888, while the sum is 30.

The square root of 12229293 is about 3497.0406059982. The cubic root of 12229293 is about 230.3918524981.

The spelling of 12229293 in words is "twelve million, two hundred twenty-nine thousand, two hundred ninety-three".