13539748 has 24 divisors (see below), whose sum is σ = 24335640. Its totient is φ = 6589440.

The previous prime is 13539737. The next prime is 13539749. The reversal of 13539748 is 84793531.

13539748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 304704 + 13235044 = 552^2 + 3638^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13539748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13539749) 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, 25728 + ... + 26248.

It is an arithmetic number, because the mean of its divisors is an integer number (1013985).

Almost surely, 2^13539748 is an apocalyptic number.

It is an amenable number.

13539748 is a deficient number, since it is larger than the sum of its proper divisors (10795892).

13539748 is a wasteful number, since it uses less digits than its factorization.

13539748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687 (or 685 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 13539748 is about 3679.6396562707. The cubic root of 13539748 is about 238.3436177717.

The spelling of 13539748 in words is "thirteen million, five hundred thirty-nine thousand, seven hundred forty-eight".