14591393 has 2 divisors, whose sum is σ = 14591394. Its totient is φ = 14591392.

The previous prime is 14591363. The next prime is 14591399. The reversal of 14591393 is 39319541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14569489 + 21904 = 3817^2 + 148^2 .

It is an emirp because it is prime and its reverse (39319541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14591393 - 2⁶ = 14591329 is a prime.

It is not a weakly prime, because it can be changed into another prime (14591399) 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 as a sum of consecutive naturals, namely, 7295696 + 7295697.

It is an arithmetic number, because the mean of its divisors is an integer number (7295697).

Almost surely, 2^14591393 is an apocalyptic number.

It is an amenable number.

14591393 is a deficient number, since it is larger than the sum of its proper divisors (1).

14591393 is an equidigital number, since it uses as much as digits as its factorization.

14591393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 35.

The square root of 14591393 is about 3819.8681914433. The cubic root of 14591393 is about 244.3612013541.

The spelling of 14591393 in words is "fourteen million, five hundred ninety-one thousand, three hundred ninety-three".