13985527 has 4 divisors (see below), whose sum is σ = 13994856. Its totient is φ = 13976200.

The previous prime is 13985459. The next prime is 13985533. The reversal of 13985527 is 72558931.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13985527 - 2⁷ = 13985399 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13985527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13985567) 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, 1849 + ... + 5602.

It is an arithmetic number, because the mean of its divisors is an integer number (3498714).

Almost surely, 2^13985527 is an apocalyptic number.

13985527 is a deficient number, since it is larger than the sum of its proper divisors (9329).

13985527 is an equidigital number, since it uses as much as digits as its factorization.

13985527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9328.

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

The square root of 13985527 is about 3739.7228506936. The cubic root of 13985527 is about 240.9311454269.

The spelling of 13985527 in words is "thirteen million, nine hundred eighty-five thousand, five hundred twenty-seven".