12439076 has 18 divisors (see below), whose sum is σ = 23572962. Its totient is φ = 5740800.

The previous prime is 12439073. The next prime is 12439081. The reversal of 12439076 is 67093421.

It can be written as a sum of positive squares in 3 ways, for example, as 6400 + 12432676 = 80^2 + 3526^2 .

It is a super-2 number, since 2×12439076² = 309461223467552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12439073) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 8525 + ... + 9876.

It is an arithmetic number, because the mean of its divisors is an integer number (1309609).

Almost surely, 2^12439076 is an apocalyptic number.

It is an amenable number.

12439076 is a deficient number, since it is larger than the sum of its proper divisors (11133886).

12439076 is a wasteful number, since it uses less digits than its factorization.

12439076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18431 (or 18416 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 12439076 is about 3526.9074271945. The cubic root of 12439076 is about 231.7017819092.

The spelling of 12439076 in words is "twelve million, four hundred thirty-nine thousand, seventy-six".