14991393 has 8 divisors (see below), whose sum is σ = 20024928. Its totient is φ = 9976064.

The previous prime is 14991373. The next prime is 14991397. The reversal of 14991393 is 39319941.

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 14991393 - 2⁹ = 14990881 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14991397) 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, 2496 + ... + 6017.

It is an arithmetic number, because the mean of its divisors is an integer number (2503116).

Almost surely, 2^14991393 is an apocalyptic number.

It is an amenable number.

14991393 is a deficient number, since it is larger than the sum of its proper divisors (5033535).

14991393 is an equidigital number, since it uses as much as digits as its factorization.

14991393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9103.

The product of its digits is 26244, while the sum is 39.

The square root of 14991393 is about 3871.8720278439. The cubic root of 14991393 is about 246.5740279918.

The spelling of 14991393 in words is "fourteen million, nine hundred ninety-one thousand, three hundred ninety-three".