13871265 has 8 divisors (see below), whose sum is σ = 22194048. Its totient is φ = 7398000.

The previous prime is 13871233. The next prime is 13871279. The reversal of 13871265 is 56217831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13871265 - 2⁵ = 13871233 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 462361 + ... + 462390.

It is an arithmetic number, because the mean of its divisors is an integer number (2774256).

Almost surely, 2^13871265 is an apocalyptic number.

13871265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13871265 is a deficient number, since it is larger than the sum of its proper divisors (8322783).

13871265 is an equidigital number, since it uses as much as digits as its factorization.

13871265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924759.

The product of its digits is 10080, while the sum is 33.

The square root of 13871265 is about 3724.4147191203. The cubic root of 13871265 is about 240.2732131649.

The spelling of 13871265 in words is "thirteen million, eight hundred seventy-one thousand, two hundred sixty-five".