13871246 has 4 divisors (see below), whose sum is σ = 20806872. Its totient is φ = 6935622.

The previous prime is 13871233. The next prime is 13871279. The reversal of 13871246 is 64217831.

13871246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64217831 = 1429 ⋅44939.

It is a super-2 number, since 2×13871246² = 384822931185032, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3467810 + ... + 3467813.

It is an arithmetic number, because the mean of its divisors is an integer number (5201718).

Almost surely, 2^13871246 is an apocalyptic number.

13871246 is a deficient number, since it is larger than the sum of its proper divisors (6935626).

13871246 is an equidigital number, since it uses as much as digits as its factorization.

13871246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6935625.

The product of its digits is 8064, while the sum is 32.

The square root of 13871246 is about 3724.4121683831. The cubic root of 13871246 is about 240.2731034611.

The spelling of 13871246 in words is "thirteen million, eight hundred seventy-one thousand, two hundred forty-six".