13905894 has 16 divisors (see below), whose sum is σ = 28125360. Its totient is φ = 4583040.

The previous prime is 13905883. The next prime is 13905907. The reversal of 13905894 is 49850931.

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 in 7 ways as a sum of consecutive naturals, for example, 12487 + ... + 13554.

It is an arithmetic number, because the mean of its divisors is an integer number (1757835).

Almost surely, 2^13905894 is an apocalyptic number.

13905894 is an abundant number, since it is smaller than the sum of its proper divisors (14219466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13905894 is a wasteful number, since it uses less digits than its factorization.

13905894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26135.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 13905894 is about 3729.0607396501. The cubic root of 13905894 is about 240.4729908307.

The spelling of 13905894 in words is "thirteen million, nine hundred five thousand, eight hundred ninety-four".