13539534 has 16 divisors (see below), whose sum is σ = 27153360. Its totient is φ = 4500800.

The previous prime is 13539511. The next prime is 13539557. The reversal of 13539534 is 43593531.

It is an interprime number because it is at equal distance from previous prime (13539511) and next prime (13539557).

It is a junction number, because it is equal to n+sod(n) for n = 13539495 and 13539504.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 567 + ... + 5234.

It is an arithmetic number, because the mean of its divisors is an integer number (1697085).

Almost surely, 2^13539534 is an apocalyptic number.

13539534 is an abundant number, since it is smaller than the sum of its proper divisors (13613826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13539534 is a wasteful number, since it uses less digits than its factorization.

13539534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6195.

The product of its digits is 24300, while the sum is 33.

The square root of 13539534 is about 3679.6105772215. The cubic root of 13539534 is about 238.3423620663.

The spelling of 13539534 in words is "thirteen million, five hundred thirty-nine thousand, five hundred thirty-four".