13959706 has 4 divisors (see below), whose sum is σ = 20939562. Its totient is φ = 6979852.

The previous prime is 13959691. The next prime is 13959709. The reversal of 13959706 is 60795931.

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

It can be written as a sum of positive squares in only one way, i.e., 10949481 + 3010225 = 3309^2 + 1735^2 .

It is not an unprimeable number, because it can be changed into a prime (13959709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3489925 + ... + 3489928.

Almost surely, 2^13959706 is an apocalyptic number.

13959706 is a deficient number, since it is larger than the sum of its proper divisors (6979856).

13959706 is an equidigital number, since it uses as much as digits as its factorization.

13959706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6979855.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 13959706 is about 3736.2689945988. The cubic root of 13959706 is about 240.7827797717.

The spelling of 13959706 in words is "thirteen million, nine hundred fifty-nine thousand, seven hundred six".