13879805 has 8 divisors (see below), whose sum is σ = 17010432. Its totient is φ = 10867408.

The previous prime is 13879793. The next prime is 13879819. The reversal of 13879805 is 50897831.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13879805 - 2⁸ = 13879549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29297 + ... + 29766.

It is an arithmetic number, because the mean of its divisors is an integer number (2126304).

Almost surely, 2^13879805 is an apocalyptic number.

It is an amenable number.

13879805 is a deficient number, since it is larger than the sum of its proper divisors (3130627).

13879805 is an equidigital number, since it uses as much as digits as its factorization.

13879805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59115.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 13879805 is about 3725.5610315763. The cubic root of 13879805 is about 240.3225120161.

The spelling of 13879805 in words is "thirteen million, eight hundred seventy-nine thousand, eight hundred five".