14857399 has 2 divisors, whose sum is σ = 14857400. Its totient is φ = 14857398.

The previous prime is 14857397. The next prime is 14857421. The reversal of 14857399 is 99375841.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14857399 - 2¹ = 14857397 is a prime.

Together with 14857397, it forms a pair of twin primes.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 7428699 + 7428700.

It is an arithmetic number, because the mean of its divisors is an integer number (7428700).

Almost surely, 2^14857399 is an apocalyptic number.

14857399 is a deficient number, since it is larger than the sum of its proper divisors (1).

14857399 is an equidigital number, since it uses as much as digits as its factorization.

14857399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 46.

The square root of 14857399 is about 3854.5296729951. The cubic root of 14857399 is about 245.8371970155.

The spelling of 14857399 in words is "fourteen million, eight hundred fifty-seven thousand, three hundred ninety-nine".