13539488 has 12 divisors (see below), whose sum is σ = 26655930. Its totient is φ = 6769728.

The previous prime is 13539451. The next prime is 13539511. The reversal of 13539488 is 88493531.

It can be written as a sum of positive squares in only one way, i.e., 13454224 + 85264 = 3668^2 + 292^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211523 + ... + 211586.

Almost surely, 2^13539488 is an apocalyptic number.

It is an amenable number.

13539488 is a deficient number, since it is larger than the sum of its proper divisors (13116442).

13539488 is an equidigital number, since it uses as much as digits as its factorization.

13539488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423119 (or 423111 counting only the distinct ones).

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

The square root of 13539488 is about 3679.6043265547. The cubic root of 13539488 is about 238.3420921466.

The spelling of 13539488 in words is "thirteen million, five hundred thirty-nine thousand, four hundred eighty-eight".