13488539 has 4 divisors (see below), whose sum is σ = 13659360. Its totient is φ = 13317720.

The previous prime is 13488533. The next prime is 13488547. The reversal of 13488539 is 93588431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13488539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13488496 and 13488505.

It is not an unprimeable number, because it can be changed into a prime (13488533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85292 + ... + 85449.

It is an arithmetic number, because the mean of its divisors is an integer number (3414840).

Almost surely, 2^13488539 is an apocalyptic number.

13488539 is a deficient number, since it is larger than the sum of its proper divisors (170821).

13488539 is an equidigital number, since it uses as much as digits as its factorization.

13488539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170820.

The product of its digits is 103680, while the sum is 41.

The square root of 13488539 is about 3672.6746384617. The cubic root of 13488539 is about 238.0427564829.

The spelling of 13488539 in words is "thirteen million, four hundred eighty-eight thousand, five hundred thirty-nine".