13258768 has 10 divisors (see below), whose sum is σ = 25688894. Its totient is φ = 6629376.

The previous prime is 13258757. The next prime is 13258769. The reversal of 13258768 is 86785231.

It can be written as a sum of positive squares in only one way, i.e., 9048064 + 4210704 = 3008^2 + 2052^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13258768.

It is not an unprimeable number, because it can be changed into a prime (13258769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414321 + ... + 414352.

Almost surely, 2^13258768 is an apocalyptic number.

It is an amenable number.

13258768 is a deficient number, since it is larger than the sum of its proper divisors (12430126).

13258768 is an equidigital number, since it uses as much as digits as its factorization.

13258768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828681 (or 828675 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 13258768 is about 3641.2591228859. The cubic root of 13258768 is about 236.6833588262.

The spelling of 13258768 in words is "thirteen million, two hundred fifty-eight thousand, seven hundred sixty-eight".