13873825 has 12 divisors (see below), whose sum is σ = 19661440. Its totient is φ = 9513360.

The previous prime is 13873823. The next prime is 13873829. The reversal of 13873825 is 52837831.

13873825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13873825 - 2¹ = 13873823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13873823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39465 + ... + 39814.

Almost surely, 2^13873825 is an apocalyptic number.

It is an amenable number.

13873825 is a deficient number, since it is larger than the sum of its proper divisors (5787615).

13873825 is an equidigital number, since it uses as much as digits as its factorization.

13873825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79296 (or 79291 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 13873825 is about 3724.7583814256. The cubic root of 13873825 is about 240.2879933980.

The spelling of 13873825 in words is "thirteen million, eight hundred seventy-three thousand, eight hundred twenty-five".