13540808 has 12 divisors (see below), whose sum is σ = 25408545. Its totient is φ = 6765200.

The previous prime is 13540801. The next prime is 13540817. The reversal of 13540808 is 80804531.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 7300804 + 6240004 = 2702^2 + 2498^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2602.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13540801) 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 2 ways as a sum of consecutive naturals, for example, 9758 + ... + 11058.

Almost surely, 2^13540808 is an apocalyptic number.

It is an amenable number.

13540808 is a deficient number, since it is larger than the sum of its proper divisors (11867737).

13540808 is an frugal number, since it uses more digits than its factorization.

13540808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608 (or 1303 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 13540808 is about 3679.7836892948. The cubic root of 13540808 is about 238.3498374257.

The spelling of 13540808 in words is "thirteen million, five hundred forty thousand, eight hundred eight".