13660527 has 4 divisors (see below), whose sum is σ = 18214040. Its totient is φ = 9107016.

The previous prime is 13660499. The next prime is 13660529. The reversal of 13660527 is 72506631.

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

It is not a de Polignac number, because 13660527 - 2⁶ = 13660463 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13660494 and 13660503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13660529) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2276752 + ... + 2276757.

It is an arithmetic number, because the mean of its divisors is an integer number (4553510).

Almost surely, 2^13660527 is an apocalyptic number.

13660527 is a deficient number, since it is larger than the sum of its proper divisors (4553513).

13660527 is an equidigital number, since it uses as much as digits as its factorization.

13660527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4553512.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 13660527 is about 3696.0150162033. The cubic root of 13660527 is about 239.0502219932.

The spelling of 13660527 in words is "thirteen million, six hundred sixty thousand, five hundred twenty-seven".