13871794 has 4 divisors (see below), whose sum is σ = 20807694. Its totient is φ = 6935896.

The previous prime is 13871761. The next prime is 13871839. The reversal of 13871794 is 49717831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49717831 = 31 ⋅1603801.

It can be written as a sum of positive squares in only one way, i.e., 13432225 + 439569 = 3665^2 + 663^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3467947 + ... + 3467950.

Almost surely, 2^13871794 is an apocalyptic number.

13871794 is a deficient number, since it is larger than the sum of its proper divisors (6935900).

13871794 is an equidigital number, since it uses as much as digits as its factorization.

13871794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6935899.

The product of its digits is 42336, while the sum is 40.

The square root of 13871794 is about 3724.4857363131. The cubic root of 13871794 is about 240.2762675106.

The spelling of 13871794 in words is "thirteen million, eight hundred seventy-one thousand, seven hundred ninety-four".