13705966 has 8 divisors (see below), whose sum is σ = 20584080. Its totient is φ = 6844608.

The previous prime is 13705963. The next prime is 13705997. The reversal of 13705966 is 66950731.

13705966 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13705963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1891 + ... + 5566.

It is an arithmetic number, because the mean of its divisors is an integer number (2573010).

Almost surely, 2^13705966 is an apocalyptic number.

13705966 is a deficient number, since it is larger than the sum of its proper divisors (6878114).

13705966 is an equidigital number, since it uses as much as digits as its factorization.

13705966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8378.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 13705966 is about 3702.1569388669. The cubic root of 13705966 is about 239.3149795095.

The spelling of 13705966 in words is "thirteen million, seven hundred five thousand, nine hundred sixty-six".