13672226 has 4 divisors (see below), whose sum is σ = 20508342. Its totient is φ = 6836112.

The previous prime is 13672223. The next prime is 13672231. The reversal of 13672226 is 62227631.

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., 8614225 + 5058001 = 2935^2 + 2249^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13672223) 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 as a sum of consecutive naturals, namely, 3418055 + ... + 3418058.

Almost surely, 2^13672226 is an apocalyptic number.

13672226 is a deficient number, since it is larger than the sum of its proper divisors (6836116).

13672226 is an equidigital number, since it uses as much as digits as its factorization.

13672226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6836115.

The product of its digits is 6048, while the sum is 29.

The square root of 13672226 is about 3697.5973279956. The cubic root of 13672226 is about 239.1184441189.

Adding to 13672226 its reverse (62227631), we get a palindrome (75899857).

The spelling of 13672226 in words is "thirteen million, six hundred seventy-two thousand, two hundred twenty-six".