13240758 has 24 divisors (see below), whose sum is σ = 27953208. Its totient is φ = 4180608.

The previous prime is 13240757. The next prime is 13240763. The reversal of 13240758 is 85704231.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 891 + ... + 5222.

It is an arithmetic number, because the mean of its divisors is an integer number (1164717).

Almost surely, 2^13240758 is an apocalyptic number.

13240758 is an abundant number, since it is smaller than the sum of its proper divisors (14712450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13240758 is a wasteful number, since it uses less digits than its factorization.

13240758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6156 (or 6137 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 13240758 is about 3638.7852368613. The cubic root of 13240758 is about 236.5761442693.

Adding to 13240758 its reverse (85704231), we get a palindrome (98944989).

The spelling of 13240758 in words is "thirteen million, two hundred forty thousand, seven hundred fifty-eight".