13871252 has 12 divisors (see below), whose sum is σ = 25702740. Its totient is φ = 6527616.

The previous prime is 13871233. The next prime is 13871279. The reversal of 13871252 is 25217831.

It can be written as a sum of positive squares in 2 ways, for example, as 4605316 + 9265936 = 2146^2 + 3044^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 101927 + ... + 102062.

It is an arithmetic number, because the mean of its divisors is an integer number (2141895).

Almost surely, 2^13871252 is an apocalyptic number.

It is an amenable number.

13871252 is a deficient number, since it is larger than the sum of its proper divisors (11831488).

13871252 is a wasteful number, since it uses less digits than its factorization.

13871252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204010 (or 204008 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 13871252 is about 3724.4129738792. The cubic root of 13871252 is about 240.2731381044.

The spelling of 13871252 in words is "thirteen million, eight hundred seventy-one thousand, two hundred fifty-two".