39047012 has 6 divisors (see below), whose sum is σ = 68332278. Its totient is φ = 19523504.

The previous prime is 39047009. The next prime is 39047017. The reversal of 39047012 is 21074093.

It can be written as a sum of positive squares in only one way, i.e., 29658916 + 9388096 = 5446^2 + 3064^2 .

It is a super-3 number, since 3×39047012³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (39047017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4880873 + ... + 4880880.

It is an arithmetic number, because the mean of its divisors is an integer number (11388713).

Almost surely, 2^39047012 is an apocalyptic number.

It is an amenable number.

39047012 is a deficient number, since it is larger than the sum of its proper divisors (29285266).

39047012 is a wasteful number, since it uses less digits than its factorization.

39047012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9761757 (or 9761755 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 39047012 is about 6248.7608371580. The cubic root of 39047012 is about 339.2573525196.

The spelling of 39047012 in words is "thirty-nine million, forty-seven thousand, twelve".