12439029 has 16 divisors (see below), whose sum is σ = 17418240. Its totient is φ = 7885680.

The previous prime is 12439013. The next prime is 12439039. The reversal of 12439029 is 92093421.

It is not a de Polignac number, because 12439029 - 2⁴ = 12439013 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12438987 and 12439005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12439039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4354 + ... + 6620.

It is an arithmetic number, because the mean of its divisors is an integer number (1088640).

Almost surely, 2^12439029 is an apocalyptic number.

It is an amenable number.

12439029 is a deficient number, since it is larger than the sum of its proper divisors (4979211).

12439029 is a wasteful number, since it uses less digits than its factorization.

12439029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360.

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

The square root of 12439029 is about 3526.9007641271. The cubic root of 12439029 is about 231.7014900869.

The spelling of 12439029 in words is "twelve million, four hundred thirty-nine thousand, twenty-nine".