13973905 has 8 divisors (see below), whose sum is σ = 18293184. Its totient is φ = 10162800.

The previous prime is 13973891. The next prime is 13973929. The reversal of 13973905 is 50937931.

13973905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13973905 - 2¹⁹ = 13449617 is a prime.

It is a Duffinian 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, 126981 + ... + 127090.

It is an arithmetic number, because the mean of its divisors is an integer number (2286648).

Almost surely, 2^13973905 is an apocalyptic number.

It is an amenable number.

13973905 is a deficient number, since it is larger than the sum of its proper divisors (4319279).

13973905 is a wasteful number, since it uses less digits than its factorization.

13973905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254087.

The product of its (nonzero) digits is 25515, while the sum is 37.

The square root of 13973905 is about 3738.1686692818. The cubic root of 13973905 is about 240.8643888492.

It can be divided in two parts, 13973 and 905, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 13973905 in words is "thirteen million, nine hundred seventy-three thousand, nine hundred five".