13871125 has 8 divisors (see below), whose sum is σ = 17311320. Its totient is φ = 11096800.

The previous prime is 13871119. The next prime is 13871129. The reversal of 13871125 is 52117831.

It can be written as a sum of positive squares in 4 ways, for example, as 2304324 + 11566801 = 1518^2 + 3401^2 .

It is not a de Polignac number, because 13871125 - 2¹⁷ = 13740053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13871093 and 13871102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13871129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55360 + ... + 55609.

It is an arithmetic number, because the mean of its divisors is an integer number (2163915).

Almost surely, 2^13871125 is an apocalyptic number.

It is an amenable number.

13871125 is a deficient number, since it is larger than the sum of its proper divisors (3440195).

13871125 is an equidigital number, since it uses as much as digits as its factorization.

13871125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110984 (or 110974 counting only the distinct ones).

The product of its digits is 1680, while the sum is 28.

The square root of 13871125 is about 3724.3959241735. The cubic root of 13871125 is about 240.2724048185.

Adding to 13871125 its reverse (52117831), we get a palindrome (65988956).

The spelling of 13871125 in words is "thirteen million, eight hundred seventy-one thousand, one hundred twenty-five".