13180686 has 8 divisors (see below), whose sum is σ = 26361384. Its totient is φ = 4393560.

The previous prime is 13180681. The next prime is 13180691. The reversal of 13180686 is 68608131.

13180686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13180681) and next prime (13180691).

It is a sphenic number, since it is the product of 3 distinct primes.

13180686 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13180681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1098385 + ... + 1098396.

It is an arithmetic number, because the mean of its divisors is an integer number (3295173).

Almost surely, 2^13180686 is an apocalyptic number.

13180686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13180686 is a wasteful number, since it uses less digits than its factorization.

13180686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196786.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 13180686 is about 3630.5214501501. The cubic root of 13180686 is about 236.2178277066.

The spelling of 13180686 in words is "thirteen million, one hundred eighty thousand, six hundred eighty-six".