12239229 has 8 divisors (see below), whose sum is σ = 16338240. Its totient is φ = 8149856.

The previous prime is 12239221. The next prime is 12239251. The reversal of 12239229 is 92293221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12239229 - 2³ = 12239221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12239196 and 12239205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12239221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1432 + ... + 5150.

It is an arithmetic number, because the mean of its divisors is an integer number (2042280).

Almost surely, 2^12239229 is an apocalyptic number.

It is an amenable number.

12239229 is a deficient number, since it is larger than the sum of its proper divisors (4099011).

12239229 is a wasteful number, since it uses less digits than its factorization.

12239229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4819.

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

The square root of 12239229 is about 3498.4609473310. The cubic root of 12239229 is about 230.4542315133.

The spelling of 12239229 in words is "twelve million, two hundred thirty-nine thousand, two hundred twenty-nine".