14519993 has 2 divisors, whose sum is σ = 14519994. Its totient is φ = 14519992.

The previous prime is 14519987. The next prime is 14520019. The reversal of 14519993 is 39991541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9560464 + 4959529 = 3092^2 + 2227^2 .

It is a cyclic number.

It is not a de Polignac number, because 14519993 - 2⁶ = 14519929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14519993.

It is not a weakly prime, because it can be changed into another prime (14519093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7259996 + 7259997.

It is an arithmetic number, because the mean of its divisors is an integer number (7259997).

Almost surely, 2^14519993 is an apocalyptic number.

It is an amenable number.

14519993 is a deficient number, since it is larger than the sum of its proper divisors (1).

14519993 is an equidigital number, since it uses as much as digits as its factorization.

14519993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 41.

The square root of 14519993 is about 3810.5108581396. The cubic root of 14519993 is about 243.9619722605.

The spelling of 14519993 in words is "fourteen million, five hundred nineteen thousand, nine hundred ninety-three".