13687094 has 4 divisors (see below), whose sum is σ = 20530644. Its totient is φ = 6843546.

The previous prime is 13687081. The next prime is 13687097. The reversal of 13687094 is 49078631.

13687094 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49078631 = 7 ⋅7011233.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13687097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3421772 + ... + 3421775.

It is an arithmetic number, because the mean of its divisors is an integer number (5132661).

Almost surely, 2^13687094 is an apocalyptic number.

13687094 is a deficient number, since it is larger than the sum of its proper divisors (6843550).

13687094 is an equidigital number, since it uses as much as digits as its factorization.

13687094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6843549.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 13687094 is about 3699.6072764552. The cubic root of 13687094 is about 239.2050899727.

The spelling of 13687094 in words is "thirteen million, six hundred eighty-seven thousand, ninety-four".