12239534 has 8 divisors (see below), whose sum is σ = 19325640. Its totient is φ = 5797656.

The previous prime is 12239527. The next prime is 12239543. The reversal of 12239534 is 43593221.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12239497 and 12239506.

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 3 ways as a sum of consecutive naturals, for example, 161009 + ... + 161084.

It is an arithmetic number, because the mean of its divisors is an integer number (2415705).

Almost surely, 2^12239534 is an apocalyptic number.

12239534 is a deficient number, since it is larger than the sum of its proper divisors (7086106).

12239534 is a wasteful number, since it uses less digits than its factorization.

12239534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322114.

The product of its digits is 6480, while the sum is 29.

The square root of 12239534 is about 3498.5045376561. The cubic root of 12239534 is about 230.4561457939.

The spelling of 12239534 in words is "twelve million, two hundred thirty-nine thousand, five hundred thirty-four".