13825863 has 16 divisors (see below), whose sum is σ = 21561600. Its totient is φ = 8731800.

The previous prime is 13825853. The next prime is 13825873. The reversal of 13825863 is 36852831.

It is an interprime number because it is at equal distance from previous prime (13825853) and next prime (13825873).

It is not a de Polignac number, because 13825863 - 2⁵ = 13825831 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13825813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12963 + ... + 13988.

It is an arithmetic number, because the mean of its divisors is an integer number (1347600).

Almost surely, 2^13825863 is an apocalyptic number.

13825863 is a deficient number, since it is larger than the sum of its proper divisors (7735737).

13825863 is a wasteful number, since it uses less digits than its factorization.

13825863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26979 (or 26973 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 13825863 is about 3718.3145375291. The cubic root of 13825863 is about 240.0107807657.

The spelling of 13825863 in words is "thirteen million, eight hundred twenty-five thousand, eight hundred sixty-three".