13864811 has 4 divisors (see below), whose sum is σ = 13966152. Its totient is φ = 13763472.

The previous prime is 13864801. The next prime is 13864819. The reversal of 13864811 is 11846831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11846831 = 139 ⋅85229.

It is a cyclic number.

It is not a de Polignac number, because 13864811 - 2¹⁴ = 13848427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13864819) 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, 50465 + ... + 50738.

It is an arithmetic number, because the mean of its divisors is an integer number (3491538).

Almost surely, 2^13864811 is an apocalyptic number.

13864811 is a deficient number, since it is larger than the sum of its proper divisors (101341).

13864811 is a wasteful number, since it uses less digits than its factorization.

13864811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101340.

The product of its digits is 4608, while the sum is 32.

The square root of 13864811 is about 3723.5481734496. The cubic root of 13864811 is about 240.2359427384.

The spelling of 13864811 in words is "thirteen million, eight hundred sixty-four thousand, eight hundred eleven".