14693857 has 2 divisors, whose sum is σ = 14693858. Its totient is φ = 14693856.

The previous prime is 14693839. The next prime is 14693869. The reversal of 14693857 is 75839641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10182481 + 4511376 = 3191^2 + 2124^2 .

It is an emirp because it is prime and its reverse (75839641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14693857 - 2¹⁹ = 14169569 is a prime.

It is not a weakly prime, because it can be changed into another prime (14693827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7346928 + 7346929.

It is an arithmetic number, because the mean of its divisors is an integer number (7346929).

Almost surely, 2^14693857 is an apocalyptic number.

It is an amenable number.

14693857 is a deficient number, since it is larger than the sum of its proper divisors (1).

14693857 is an equidigital number, since it uses as much as digits as its factorization.

14693857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 14693857 is about 3833.2567093791. The cubic root of 14693857 is about 244.9318538779.

The spelling of 14693857 in words is "fourteen million, six hundred ninety-three thousand, eight hundred fifty-seven".