14593681 has 2 divisors, whose sum is σ = 14593682. Its totient is φ = 14593680.

The previous prime is 14593679. The next prime is 14593687. The reversal of 14593681 is 18639541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8910225 + 5683456 = 2985^2 + 2384^2 .

It is an emirp because it is prime and its reverse (18639541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14593681 - 2¹ = 14593679 is a prime.

It is a super-2 number, since 2×14593681² = 425951050259522, which contains 22 as substring.

Together with 14593679, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 14593681.

It is not a weakly prime, because it can be changed into another prime (14593687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7296840 + 7296841.

It is an arithmetic number, because the mean of its divisors is an integer number (7296841).

Almost surely, 2^14593681 is an apocalyptic number.

It is an amenable number.

14593681 is a deficient number, since it is larger than the sum of its proper divisors (1).

14593681 is an equidigital number, since it uses as much as digits as its factorization.

14593681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 37.

The square root of 14593681 is about 3820.1676664775. The cubic root of 14593681 is about 244.3739730205.

The spelling of 14593681 in words is "fourteen million, five hundred ninety-three thousand, six hundred eighty-one".