13879471 has 2 divisors, whose sum is σ = 13879472. Its totient is φ = 13879470.

The previous prime is 13879457. The next prime is 13879483. The reversal of 13879471 is 17497831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13879471 - 2¹³ = 13871279 is a prime.

It is a super-3 number, since 3×13879471³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13879421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6939735 + 6939736.

It is an arithmetic number, because the mean of its divisors is an integer number (6939736).

Almost surely, 2^13879471 is an apocalyptic number.

13879471 is a deficient number, since it is larger than the sum of its proper divisors (1).

13879471 is an equidigital number, since it uses as much as digits as its factorization.

13879471 is an evil number, because the sum of its binary digits is even.

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

The square root of 13879471 is about 3725.5162058432. The cubic root of 13879471 is about 240.3205843145.

The spelling of 13879471 in words is "thirteen million, eight hundred seventy-nine thousand, four hundred seventy-one".