13922686 has 8 divisors (see below), whose sum is σ = 20900880. Its totient is φ = 6955728.

The previous prime is 13922663. The next prime is 13922717. The reversal of 13922686 is 68622931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1810 + ... + 5578.

It is an arithmetic number, because the mean of its divisors is an integer number (2612610).

Almost surely, 2^13922686 is an apocalyptic number.

13922686 is a deficient number, since it is larger than the sum of its proper divisors (6978194).

13922686 is a wasteful number, since it uses less digits than its factorization.

13922686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5618.

The product of its digits is 31104, while the sum is 37.

The square root of 13922686 is about 3731.3115656562. The cubic root of 13922686 is about 240.5697459233.

The spelling of 13922686 in words is "thirteen million, nine hundred twenty-two thousand, six hundred eighty-six".