13693806 has 64 divisors (see below), whose sum is σ = 36840960. Its totient is φ = 3680640.

The previous prime is 13693777. The next prime is 13693817. The reversal of 13693806 is 60839631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5361 + ... + 7491.

It is an arithmetic number, because the mean of its divisors is an integer number (575640).

Almost surely, 2^13693806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13693806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18420480).

13693806 is an abundant number, since it is smaller than the sum of its proper divisors (23147154).

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

13693806 is a wasteful number, since it uses less digits than its factorization.

13693806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166 (or 2160 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 13693806 is about 3700.5142885821. The cubic root of 13693806 is about 239.2441847625.

The spelling of 13693806 in words is "thirteen million, six hundred ninety-three thousand, eight hundred six".