13186116 has 36 divisors (see below), whose sum is σ = 33558252. Its totient is φ = 4365504.

The previous prime is 13186109. The next prime is 13186123. The reversal of 13186116 is 61168131.

It is an interprime number because it is at equal distance from previous prime (13186109) and next prime (13186123).

It can be written as a sum of positive squares in 2 ways, for example, as 4186116 + 9000000 = 2046^2 + 3000^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13186116.

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, 4486 + ... + 6818.

Almost surely, 2^13186116 is an apocalyptic number.

It is an amenable number.

13186116 is an abundant number, since it is smaller than the sum of its proper divisors (20372136).

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

13186116 is a wasteful number, since it uses less digits than its factorization.

13186116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500 (or 2495 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 13186116 is about 3631.2691996050. The cubic root of 13186116 is about 236.2502611906.

The spelling of 13186116 in words is "thirteen million, one hundred eighty-six thousand, one hundred sixteen".