13259993 has 2 divisors, whose sum is σ = 13259994. Its totient is φ = 13259992.

The previous prime is 13259963. The next prime is 13259999. The reversal of 13259993 is 39995231.

It is a happy number.

13259993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10291264 + 2968729 = 3208^2 + 1723^2 .

It is a cyclic number.

It is not a de Polignac number, because 13259993 - 2⁸ = 13259737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13259993.

It is not a weakly prime, because it can be changed into another prime (13259999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6629996 + 6629997.

It is an arithmetic number, because the mean of its divisors is an integer number (6629997).

Almost surely, 2^13259993 is an apocalyptic number.

It is an amenable number.

13259993 is a deficient number, since it is larger than the sum of its proper divisors (1).

13259993 is an equidigital number, since it uses as much as digits as its factorization.

13259993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65610, while the sum is 41.

The square root of 13259993 is about 3641.4273300452. The cubic root of 13259993 is about 236.6906477937.

The spelling of 13259993 in words is "thirteen million, two hundred fifty-nine thousand, nine hundred ninety-three".