13994661 has 8 divisors (see below), whose sum is σ = 18844704. Its totient is φ = 9237200.

The previous prime is 13994641. The next prime is 13994699. The reversal of 13994661 is 16649931.

13994661 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 13994661 - 2¹¹ = 13992613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13994641) 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, 22791 + ... + 23396.

It is an arithmetic number, because the mean of its divisors is an integer number (2355588).

Almost surely, 2^13994661 is an apocalyptic number.

It is an amenable number.

13994661 is a deficient number, since it is larger than the sum of its proper divisors (4850043).

13994661 is a wasteful number, since it uses less digits than its factorization.

13994661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46291.

The product of its digits is 34992, while the sum is 39.

The square root of 13994661 is about 3740.9438648555. The cubic root of 13994661 is about 240.9835850232.

The spelling of 13994661 in words is "thirteen million, nine hundred ninety-four thousand, six hundred sixty-one".