13540172 has 12 divisors (see below), whose sum is σ = 23721096. Its totient is φ = 6762720.

The previous prime is 13540171. The next prime is 13540201. The reversal of 13540172 is 27104531.

It is not an unprimeable number, because it can be changed into a prime (13540171) 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 3 ways as a sum of consecutive naturals, for example, 6047 + ... + 7977.

It is an arithmetic number, because the mean of its divisors is an integer number (1976758).

Almost surely, 2^13540172 is an apocalyptic number.

It is an amenable number.

13540172 is a deficient number, since it is larger than the sum of its proper divisors (10180924).

13540172 is a wasteful number, since it uses less digits than its factorization.

13540172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3688 (or 3686 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 13540172 is about 3679.6972701569. The cubic root of 13540172 is about 238.3461056723.

The spelling of 13540172 in words is "thirteen million, five hundred forty thousand, one hundred seventy-two".