14785399 has 2 divisors, whose sum is σ = 14785400. Its totient is φ = 14785398.

The previous prime is 14785391. The next prime is 14785409. The reversal of 14785399 is 99358741.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (99358741) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14785399 - 2³ = 14785391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14785391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7392699 + 7392700.

It is an arithmetic number, because the mean of its divisors is an integer number (7392700).

Almost surely, 2^14785399 is an apocalyptic number.

14785399 is a deficient number, since it is larger than the sum of its proper divisors (1).

14785399 is an equidigital number, since it uses as much as digits as its factorization.

14785399 is an odious number, because the sum of its binary digits is odd.

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

The square root of 14785399 is about 3845.1786694509. The cubic root of 14785399 is about 245.4394390212.

The spelling of 14785399 in words is "fourteen million, seven hundred eighty-five thousand, three hundred ninety-nine".