13540516 has 24 divisors (see below), whose sum is σ = 25945920. Its totient is φ = 6132000.

The previous prime is 13540511. The next prime is 13540519. The reversal of 13540516 is 61504531.

13540516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13540511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18966 + ... + 19666.

It is an arithmetic number, because the mean of its divisors is an integer number (1081080).

Almost surely, 2^13540516 is an apocalyptic number.

It is an amenable number.

13540516 is a deficient number, since it is larger than the sum of its proper divisors (12405404).

13540516 is a wasteful number, since it uses less digits than its factorization.

13540516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 13540516 is about 3679.7440128357. The cubic root of 13540516 is about 238.3481241194.

The spelling of 13540516 in words is "thirteen million, five hundred forty thousand, five hundred sixteen".