13223546 has 16 divisors (see below), whose sum is σ = 23400960. Its totient is φ = 5484240.

The previous prime is 13223527. The next prime is 13223549. The reversal of 13223546 is 64532231.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13223549) 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, 14801 + ... + 15668.

It is an arithmetic number, because the mean of its divisors is an integer number (1462560).

Almost surely, 2^13223546 is an apocalyptic number.

13223546 is a deficient number, since it is larger than the sum of its proper divisors (10177414).

13223546 is a wasteful number, since it uses less digits than its factorization.

13223546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30509.

The product of its digits is 4320, while the sum is 26.

The square root of 13223546 is about 3636.4193927544. The cubic root of 13223546 is about 236.4735893581.

Adding to 13223546 its reverse (64532231), we get a palindrome (77755777).

The spelling of 13223546 in words is "thirteen million, two hundred twenty-three thousand, five hundred forty-six".