13529857 has 12 divisors (see below), whose sum is σ = 15355648. Its totient is φ = 11899800.

The previous prime is 13529833. The next prime is 13529891. The reversal of 13529857 is 75892531.

It is not a de Polignac number, because 13529857 - 2²³ = 5141249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13529897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1948 + ... + 5554.

Almost surely, 2^13529857 is an apocalyptic number.

It is an amenable number.

13529857 is a deficient number, since it is larger than the sum of its proper divisors (1825791).

13529857 is a wasteful number, since it uses less digits than its factorization.

13529857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660 (or 3649 counting only the distinct ones).

The product of its digits is 75600, while the sum is 40.

The square root of 13529857 is about 3678.2953932494. The cubic root of 13529857 is about 238.2855657063.

It can be divided in two parts, 135 and 29857, that added together give a palindrome (29992).

The spelling of 13529857 in words is "thirteen million, five hundred twenty-nine thousand, eight hundred fifty-seven".