13905946 has 16 divisors (see below), whose sum is σ = 21358080. Its totient is φ = 6788320.

The previous prime is 13905943. The next prime is 13905953. The reversal of 13905946 is 64950931.

13905946 is nontrivially palindromic in base 15.

It is not an unprimeable number, because it can be changed into a prime (13905943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22230 + ... + 22846.

It is an arithmetic number, because the mean of its divisors is an integer number (1334880).

Almost surely, 2^13905946 is an apocalyptic number.

13905946 is a deficient number, since it is larger than the sum of its proper divisors (7452134).

13905946 is a wasteful number, since it uses less digits than its factorization.

13905946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 13905946 is about 3729.0677119087. The cubic root of 13905946 is about 240.4732905736.

The spelling of 13905946 in words is "thirteen million, nine hundred five thousand, nine hundred forty-six".