39012 has 12 divisors (see below), whose sum is σ = 91056. Its totient is φ = 13000.

The previous prime is 38993. The next prime is 39019. The reversal of 39012 is 21093.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×39012² = 3043872288, which contains 22 as substring.

It is a plaindrome in base 13.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 38982 and 39000.

It is not an unprimeable number, because it can be changed into a prime (39019) by changing a digit.

39012 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1614 + ... + 1637.

It is an arithmetic number, because the mean of its divisors is an integer number (7588).

2³⁹⁰¹² is an apocalyptic number.

It is an amenable number.

39012 is an abundant number, since it is smaller than the sum of its proper divisors (52044).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45528).

39012 is a wasteful number, since it uses less digits than its factorization.

39012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258 (or 3256 counting only the distinct ones).

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

The square root of 39012 is about 197.5145564256. The cubic root of 39012 is about 33.9155922391.

The spelling of 39012 in words is "thirty-nine thousand, twelve".