14391881 has 8 divisors (see below), whose sum is σ = 16608384. Its totient is φ = 12215520.

The previous prime is 14391857. The next prime is 14391887. The reversal of 14391881 is 18819341.

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-14391881 is a prime.

It is a super-2 number, since 2×14391881² = 414252477436322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14391887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9260 + ... + 10701.

It is an arithmetic number, because the mean of its divisors is an integer number (2076048).

Almost surely, 2^14391881 is an apocalyptic number.

It is an amenable number.

14391881 is a deficient number, since it is larger than the sum of its proper divisors (2216503).

14391881 is a wasteful number, since it uses less digits than its factorization.

14391881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20071.

The product of its digits is 6912, while the sum is 35.

The square root of 14391881 is about 3793.6632691898. The cubic root of 14391881 is about 243.2423477103.

The spelling of 14391881 in words is "fourteen million, three hundred ninety-one thousand, eight hundred eighty-one".