13946705 has 4 divisors (see below), whose sum is σ = 16736052. Its totient is φ = 11157360.

The previous prime is 13946693. The next prime is 13946707. The reversal of 13946705 is 50764931.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11015761 + 2930944 = 3319^2 + 1712^2 .

It is not a de Polignac number, because 13946705 - 2¹⁰ = 13945681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13946707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1394666 + ... + 1394675.

It is an arithmetic number, because the mean of its divisors is an integer number (4184013).

Almost surely, 2^13946705 is an apocalyptic number.

It is an amenable number.

13946705 is a deficient number, since it is larger than the sum of its proper divisors (2789347).

13946705 is an equidigital number, since it uses as much as digits as its factorization.

13946705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789346.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 13946705 is about 3734.5287520650. The cubic root of 13946705 is about 240.7080076805.

The spelling of 13946705 in words is "thirteen million, nine hundred forty-six thousand, seven hundred five".