13540686 has 8 divisors (see below), whose sum is σ = 27081384. Its totient is φ = 4513560.

The previous prime is 13540663. The next prime is 13540691. The reversal of 13540686 is 68604531.

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

13540686 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1128385 + ... + 1128396.

It is an arithmetic number, because the mean of its divisors is an integer number (3385173).

Almost surely, 2^13540686 is an apocalyptic number.

13540686 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.

13540686 is a wasteful number, since it uses less digits than its factorization.

13540686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256786.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 13540686 is about 3679.7671121961. The cubic root of 13540686 is about 238.3491215952.

The spelling of 13540686 in words is "thirteen million, five hundred forty thousand, six hundred eighty-six".