13226560 has 28 divisors (see below), whose sum is σ = 31496508. Its totient is φ = 5290496.

The previous prime is 13226531. The next prime is 13226579. The reversal of 13226560 is 6562231.

It can be written as a sum of positive squares in 2 ways, for example, as 9290304 + 3936256 = 3048^2 + 1984^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20347 + ... + 20986.

Almost surely, 2^13226560 is an apocalyptic number.

13226560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13226560 is an abundant number, since it is smaller than the sum of its proper divisors (18269948).

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

13226560 is an equidigital number, since it uses as much as digits as its factorization.

13226560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41350 (or 41340 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 13226560 is about 3636.8337877885. The cubic root of 13226560 is about 236.4915542130.

Adding to 13226560 its reverse (6562231), we get a palindrome (19788791).

The spelling of 13226560 in words is "thirteen million, two hundred twenty-six thousand, five hundred sixty".