13803825 has 24 divisors (see below), whose sum is σ = 26083648. Its totient is φ = 6310080.

The previous prime is 13803799. The next prime is 13803827. The reversal of 13803825 is 52830831.

It is a happy number.

It is not a de Polignac number, because 13803825 - 2⁵ = 13803793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13803792 and 13803801.

It is not an unprimeable number, because it can be changed into a prime (13803827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12622 + ... + 13671.

Almost surely, 2^13803825 is an apocalyptic number.

13803825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13803825 is a deficient number, since it is larger than the sum of its proper divisors (12279823).

13803825 is a wasteful number, since it uses less digits than its factorization.

13803825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26313 (or 26308 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 13803825 is about 3715.3499162259. The cubic root of 13803825 is about 239.8831896843.

The spelling of 13803825 in words is "thirteen million, eight hundred three thousand, eight hundred twenty-five".