13223061 has 8 divisors (see below), whose sum is σ = 19589760. Its totient is φ = 8815356.

The previous prime is 13223057. The next prime is 13223071. The reversal of 13223061 is 16032231.

It is not a de Polignac number, because 13223061 - 2² = 13223057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223051) 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 in 7 ways as a sum of consecutive naturals, for example, 244845 + ... + 244898.

It is an arithmetic number, because the mean of its divisors is an integer number (2448720).

Almost surely, 2^13223061 is an apocalyptic number.

It is an amenable number.

13223061 is a deficient number, since it is larger than the sum of its proper divisors (6366699).

13223061 is an equidigital number, since it uses as much as digits as its factorization.

13223061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489752 (or 489746 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 13223061 is about 3636.3527056654. The cubic root of 13223061 is about 236.4706982755.

Adding to 13223061 its reverse (16032231), we get a palindrome (29255292).

The spelling of 13223061 in words is "thirteen million, two hundred twenty-three thousand, sixty-one".