13009986 has 24 divisors (see below), whose sum is σ = 30751344. Its totient is φ = 3942360.

The previous prime is 13009967. The next prime is 13010047. The reversal of 13009986 is 68990031.

It is a self number, because there is not a number n which added to its sum of digits gives 13009986.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32656 + ... + 33051.

It is an arithmetic number, because the mean of its divisors is an integer number (1281306).

Almost surely, 2^13009986 is an apocalyptic number.

13009986 is an abundant number, since it is smaller than the sum of its proper divisors (17741358).

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

13009986 is a wasteful number, since it uses less digits than its factorization.

13009986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65726 (or 65723 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 13009986 is about 3606.9358186694. The cubic root of 13009986 is about 235.1936595889.

The spelling of 13009986 in words is "thirteen million, nine thousand, nine hundred eighty-six".