39000012 has 24 divisors (see below), whose sum is σ = 94138800. Its totient is φ = 12551616.

The previous prime is 39000001. The next prime is 39000037. The reversal of 39000012 is 21000093.

39000012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38999955 and 39000000.

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 7 ways as a sum of consecutive naturals, for example, 55687 + ... + 56382.

It is an arithmetic number, because the mean of its divisors is an integer number (3922450).

Almost surely, 2^39000012 is an apocalyptic number.

It is an amenable number.

39000012 is an abundant number, since it is smaller than the sum of its proper divisors (55138788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39000012 is a wasteful number, since it uses less digits than its factorization.

39000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112105 (or 112103 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 39000012 is about 6244.9989591672. The cubic root of 39000012 is about 339.1211790831.

The spelling of 39000012 in words is "thirty-nine million, twelve", and thus it is an aban number and an uban number.