13959693 has 36 divisors (see below), whose sum is σ = 22827168. Its totient is φ = 8151840.

The previous prime is 13959691. The next prime is 13959709. The reversal of 13959693 is 39695931.

It is not a de Polignac number, because 13959693 - 2¹ = 13959691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13959691) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 135480 + ... + 135582.

It is an arithmetic number, because the mean of its divisors is an integer number (634088).

Almost surely, 2^13959693 is an apocalyptic number.

It is an amenable number.

13959693 is a deficient number, since it is larger than the sum of its proper divisors (8867475).

13959693 is a wasteful number, since it uses less digits than its factorization.

13959693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 154 counting only the distinct ones).

The product of its digits is 196830, while the sum is 45.

The square root of 13959693 is about 3736.2672548949. The cubic root of 13959693 is about 240.7827050286.

The spelling of 13959693 in words is "thirteen million, nine hundred fifty-nine thousand, six hundred ninety-three".