14857397 has 2 divisors, whose sum is σ = 14857398. Its totient is φ = 14857396.

The previous prime is 14857391. The next prime is 14857399. The reversal of 14857397 is 79375841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11566801 + 3290596 = 3401^2 + 1814^2 .

It is a cyclic number.

It is not a de Polignac number, because 14857397 - 2¹⁸ = 14595253 is a prime.

It is a super-3 number, since 3×14857397³ (a number of 22 digits) contains 333 as substring.

Together with 14857399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14857391) 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, 7428698 + 7428699.

It is an arithmetic number, because the mean of its divisors is an integer number (7428699).

Almost surely, 2^14857397 is an apocalyptic number.

It is an amenable number.

14857397 is a deficient number, since it is larger than the sum of its proper divisors (1).

14857397 is an equidigital number, since it uses as much as digits as its factorization.

14857397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 44.

The square root of 14857397 is about 3854.5294135601. The cubic root of 14857397 is about 245.8371859845.

The spelling of 14857397 in words is "fourteen million, eight hundred fifty-seven thousand, three hundred ninety-seven".