39960012 has 24 divisors (see below), whose sum is σ = 93870000. Its totient is φ = 13230016.

The previous prime is 39960001. The next prime is 39960031. The reversal of 39960012 is 21006993.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9387 + ... + 12962.

It is an arithmetic number, because the mean of its divisors is an integer number (3911250).

Almost surely, 2^39960012 is an apocalyptic number.

It is an amenable number.

39960012 is an abundant number, since it is smaller than the sum of its proper divisors (53909988).

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

39960012 is a wasteful number, since it uses less digits than its factorization.

39960012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22505 (or 22503 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 39960012 is about 6321.3932008696. The cubic root of 39960012 is about 341.8811871406.

The spelling of 39960012 in words is "thirty-nine million, nine hundred sixty thousand, twelve".