13825727 has 4 divisors (see below), whose sum is σ = 13837656. Its totient is φ = 13813800.

The previous prime is 13825717. The next prime is 13825741. The reversal of 13825727 is 72752831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72752831 = 107 ⋅679933.

It is a cyclic number.

It is not a de Polignac number, because 13825727 - 2²⁰ = 12777151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13825717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4013 + ... + 6614.

It is an arithmetic number, because the mean of its divisors is an integer number (3459414).

Almost surely, 2^13825727 is an apocalyptic number.

13825727 is a deficient number, since it is larger than the sum of its proper divisors (11929).

13825727 is a wasteful number, since it uses less digits than its factorization.

13825727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11928.

The product of its digits is 23520, while the sum is 35.

The square root of 13825727 is about 3718.2962496283. The cubic root of 13825727 is about 240.0099937968.

The spelling of 13825727 in words is "thirteen million, eight hundred twenty-five thousand, seven hundred twenty-seven".