13630226 has 16 divisors (see below), whose sum is σ = 22153824. Its totient is φ = 6264384.

The previous prime is 13630219. The next prime is 13630229. The reversal of 13630226 is 62203631.

It is a super-2 number, since 2×13630226² = 371566121622152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13630229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3200 + ... + 6123.

It is an arithmetic number, because the mean of its divisors is an integer number (1384614).

Almost surely, 2^13630226 is an apocalyptic number.

13630226 is a deficient number, since it is larger than the sum of its proper divisors (8523598).

13630226 is a wasteful number, since it uses less digits than its factorization.

13630226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9385.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 13630226 is about 3691.9135959554. The cubic root of 13630226 is about 238.8733419684.

Adding to 13630226 its reverse (62203631), we get a palindrome (75833857).

The spelling of 13630226 in words is "thirteen million, six hundred thirty thousand, two hundred twenty-six".