12439115 has 16 divisors (see below), whose sum is σ = 16632000. Its totient is φ = 8867712.

The previous prime is 12439093. The next prime is 12439123. The reversal of 12439115 is 51193421.

It is a cyclic number.

It is not a de Polignac number, because 12439115 - 2⁸ = 12438859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415 + ... + 5184.

It is an arithmetic number, because the mean of its divisors is an integer number (1039500).

Almost surely, 2^12439115 is an apocalyptic number.

12439115 is a deficient number, since it is larger than the sum of its proper divisors (4192885).

12439115 is a wasteful number, since it uses less digits than its factorization.

12439115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6646.

The product of its digits is 1080, while the sum is 26.

The square root of 12439115 is about 3526.9129561133. The cubic root of 12439115 is about 231.7020240590.

The spelling of 12439115 in words is "twelve million, four hundred thirty-nine thousand, one hundred fifteen".