13864927 has 12 divisors (see below), whose sum is σ = 14782800. Its totient is φ = 13001472.

The previous prime is 13864919. The next prime is 13864969. The reversal of 13864927 is 72946831.

It is not a de Polignac number, because 13864927 - 2³ = 13864919 is a prime.

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 13864927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13864997) 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 11 ways as a sum of consecutive naturals, for example, 69574 + ... + 69772.

It is an arithmetic number, because the mean of its divisors is an integer number (1231900).

Almost surely, 2^13864927 is an apocalyptic number.

13864927 is a deficient number, since it is larger than the sum of its proper divisors (917873).

13864927 is a wasteful number, since it uses less digits than its factorization.

13864927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 411 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 13864927 is about 3723.5637499578. The cubic root of 13864927 is about 240.2366127149.

The spelling of 13864927 in words is "thirteen million, eight hundred sixty-four thousand, nine hundred twenty-seven".