13871170 has 8 divisors (see below), whose sum is σ = 24968124. Its totient is φ = 5548464.

The previous prime is 13871153. The next prime is 13871173. The reversal of 13871170 is 7117831.

It can be written as a sum of positive squares in 2 ways, for example, as 13242321 + 628849 = 3639^2 + 793^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13871173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693549 + ... + 693568.

Almost surely, 2^13871170 is an apocalyptic number.

13871170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13871170 is a deficient number, since it is larger than the sum of its proper divisors (11096954).

13871170 is a wasteful number, since it uses less digits than its factorization.

13871170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387124.

The product of its (nonzero) digits is 1176, while the sum is 28.

The square root of 13871170 is about 3724.4019654167. The cubic root of 13871170 is about 240.2726646447.

It can be divided in two parts, 13871 and 170, that added together give a palindrome (14041).

The spelling of 13871170 in words is "thirteen million, eight hundred seventy-one thousand, one hundred seventy".