13152226 has 16 divisors (see below), whose sum is σ = 20412000. Its totient is φ = 6351520.

The previous prime is 13152193. The next prime is 13152229. The reversal of 13152226 is 62225131.

It is a junction number, because it is equal to n+sod(n) for n = 13152197 and 13152206.

It is not an unprimeable number, because it can be changed into a prime (13152229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8025 + ... + 9523.

It is an arithmetic number, because the mean of its divisors is an integer number (1275750).

Almost surely, 2^13152226 is an apocalyptic number.

13152226 is a deficient number, since it is larger than the sum of its proper divisors (7259774).

13152226 is a wasteful number, since it uses less digits than its factorization.

13152226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649.

The product of its digits is 720, while the sum is 22.

The square root of 13152226 is about 3626.5997849225. The cubic root of 13152226 is about 236.0476897783.

Adding to 13152226 its reverse (62225131), we get a palindrome (75377357).

The spelling of 13152226 in words is "thirteen million, one hundred fifty-two thousand, two hundred twenty-six".