13663226 has 8 divisors (see below), whose sum is σ = 20706420. Its totient is φ = 6761088.

The previous prime is 13663217. The next prime is 13663231. The reversal of 13663226 is 62236631.

It can be written as a sum of positive squares in 2 ways, for example, as 13653025 + 10201 = 3695^2 + 101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 35021 + ... + 35408.

Almost surely, 2^13663226 is an apocalyptic number.

13663226 is a deficient number, since it is larger than the sum of its proper divisors (7043194).

13663226 is an equidigital number, since it uses as much as digits as its factorization.

13663226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70528.

The product of its digits is 7776, while the sum is 29.

The square root of 13663226 is about 3696.3801211456. The cubic root of 13663226 is about 239.0659645304.

Adding to 13663226 its reverse (62236631), we get a palindrome (75899857).

The spelling of 13663226 in words is "thirteen million, six hundred sixty-three thousand, two hundred twenty-six".