12439933 has 8 divisors (see below), whose sum is σ = 13902336. Its totient is φ = 11032800.

The previous prime is 12439919. The next prime is 12439951. The reversal of 12439933 is 33993421.

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 12439933 - 2¹⁷ = 12308861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12439633) 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, 13341 + ... + 14242.

It is an arithmetic number, because the mean of its divisors is an integer number (1737792).

Almost surely, 2^12439933 is an apocalyptic number.

It is an amenable number.

12439933 is a deficient number, since it is larger than the sum of its proper divisors (1462403).

12439933 is a wasteful number, since it uses less digits than its factorization.

12439933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27635.

The product of its digits is 17496, while the sum is 34.

The square root of 12439933 is about 3527.0289196433. The cubic root of 12439933 is about 231.7071028796.

The spelling of 12439933 in words is "twelve million, four hundred thirty-nine thousand, nine hundred thirty-three".