13063986 has 24 divisors (see below), whose sum is σ = 30483180. Its totient is φ = 4019616.

The previous prime is 13063969. The next prime is 13063987. The reversal of 13063986 is 68936031.

It is a happy number.

13063986 is a `hidden beast` number, since 13 + 0 + 639 + 8 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12383361 + 680625 = 3519^2 + 825^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13063986.

It is not an unprimeable number, because it can be changed into a prime (13063987) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 27681 + ... + 28148.

Almost surely, 2^13063986 is an apocalyptic number.

13063986 is an abundant number, since it is smaller than the sum of its proper divisors (17419194).

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

13063986 is a wasteful number, since it uses less digits than its factorization.

13063986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55850 (or 55847 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 13063986 is about 3614.4136453926. The cubic root of 13063986 is about 235.5186132123.

The spelling of 13063986 in words is "thirteen million, sixty-three thousand, nine hundred eighty-six".