12239506 has 8 divisors (see below), whose sum is σ = 18491760. Its totient is φ = 6075588.

The previous prime is 12239453. The next prime is 12239509. The reversal of 12239506 is 60593221.

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

It is not an unprimeable number, because it can be changed into a prime (12239509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21736 + ... + 22291.

It is an arithmetic number, because the mean of its divisors is an integer number (2311470).

Almost surely, 2^12239506 is an apocalyptic number.

12239506 is a deficient number, since it is larger than the sum of its proper divisors (6252254).

12239506 is a wasteful number, since it uses less digits than its factorization.

12239506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44168.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 12239506 is about 3498.5005359439. The cubic root of 12239506 is about 230.4559700580.

The spelling of 12239506 in words is "twelve million, two hundred thirty-nine thousand, five hundred six".