14681891 has 8 divisors (see below), whose sum is σ = 16835424. Its totient is φ = 12542400.

The previous prime is 14681869. The next prime is 14681893. The reversal of 14681891 is 19818641.

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 14681891 - 2⁶ = 14681827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14681893) 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, 1160 + ... + 5541.

It is an arithmetic number, because the mean of its divisors is an integer number (2104428).

Almost surely, 2^14681891 is an apocalyptic number.

14681891 is a deficient number, since it is larger than the sum of its proper divisors (2153533).

14681891 is an equidigital number, since it uses as much as digits as its factorization.

14681891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021.

The product of its digits is 13824, while the sum is 38.

The square root of 14681891 is about 3831.6955776784. The cubic root of 14681891 is about 244.8653487502.

The spelling of 14681891 in words is "fourteen million, six hundred eighty-one thousand, eight hundred ninety-one".