14106991 has 8 divisors (see below), whose sum is σ = 15029280. Its totient is φ = 13195008.

The previous prime is 14106979. The next prime is 14107013. The reversal of 14106991 is 19960141.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14106991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14106901) 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, 355 + ... + 5323.

It is an arithmetic number, because the mean of its divisors is an integer number (1878660).

Almost surely, 2^14106991 is an apocalyptic number.

14106991 is a deficient number, since it is larger than the sum of its proper divisors (922289).

14106991 is a wasteful number, since it uses less digits than its factorization.

14106991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5153.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 14106991 is about 3755.9274487136. The cubic root of 14106991 is about 241.6266298056.

The spelling of 14106991 in words is "fourteen million, one hundred six thousand, nine hundred ninety-one".