13826863 has 8 divisors (see below), whose sum is σ = 14256080. Its totient is φ = 13400640.

The previous prime is 13826849. The next prime is 13826921. The reversal of 13826863 is 36862831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13826863 - 2¹⁷ = 13695791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13826843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11683 + ... + 12811.

It is an arithmetic number, because the mean of its divisors is an integer number (1782010).

Almost surely, 2^13826863 is an apocalyptic number.

13826863 is a deficient number, since it is larger than the sum of its proper divisors (429217).

13826863 is a wasteful number, since it uses less digits than its factorization.

13826863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497.

The product of its digits is 41472, while the sum is 37.

The square root of 13826863 is about 3718.4490046255. The cubic root of 13826863 is about 240.0165671434.

The spelling of 13826863 in words is "thirteen million, eight hundred twenty-six thousand, eight hundred sixty-three".