13315226 has 4 divisors (see below), whose sum is σ = 19972842. Its totient is φ = 6657612.

The previous prime is 13315223. The next prime is 13315249. The reversal of 13315226 is 62251331.

13315226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13315201 + 25 = 3649^2 + 5^2 .

It is not an unprimeable number, because it can be changed into a prime (13315223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3328805 + ... + 3328808.

Almost surely, 2^13315226 is an apocalyptic number.

13315226 is a deficient number, since it is larger than the sum of its proper divisors (6657616).

13315226 is an equidigital number, since it uses as much as digits as its factorization.

13315226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6657615.

The product of its digits is 1080, while the sum is 23.

The square root of 13315226 is about 3649.0034255944. The cubic root of 13315226 is about 237.0188285824.

Adding to 13315226 its reverse (62251331), we get a palindrome (75566557).

The spelling of 13315226 in words is "thirteen million, three hundred fifteen thousand, two hundred twenty-six".