13691704 has 64 divisors (see below), whose sum is σ = 29988000. Its totient is φ = 5840640.

The previous prime is 13691701. The next prime is 13691719. The reversal of 13691704 is 40719631.

It is a happy number.

13691704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13691701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333924 + ... + 333964.

Almost surely, 2^13691704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13691704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14994000).

13691704 is an abundant number, since it is smaller than the sum of its proper divisors (16296296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13691704 is a wasteful number, since it uses less digits than its factorization.

13691704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 13691704 is about 3700.2302631053. The cubic root of 13691704 is about 239.2319428041.

The spelling of 13691704 in words is "thirteen million, six hundred ninety-one thousand, seven hundred four".