13922661 has 8 divisors (see below), whose sum is σ = 18605664. Its totient is φ = 9260720.

The previous prime is 13922651. The next prime is 13922663. The reversal of 13922661 is 16622931.

13922661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13922661 - 2⁹ = 13922149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13922663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3651 + ... + 6416.

It is an arithmetic number, because the mean of its divisors is an integer number (2325708).

Almost surely, 2^13922661 is an apocalyptic number.

It is an amenable number.

13922661 is a deficient number, since it is larger than the sum of its proper divisors (4683003).

13922661 is a wasteful number, since it uses less digits than its factorization.

13922661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10531.

The product of its digits is 3888, while the sum is 30.

The square root of 13922661 is about 3731.3082156263. The cubic root of 13922661 is about 240.5696019318.

The spelling of 13922661 in words is "thirteen million, nine hundred twenty-two thousand, six hundred sixty-one".