13223501 has 8 divisors (see below), whose sum is σ = 14037624. Its totient is φ = 12413440.

The previous prime is 13223473. The next prime is 13223527. The reversal of 13223501 is 10532231.

13223501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4726276 + 8497225 = 2174^2 + 2915^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13223501 - 2⁶ = 13223437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13223501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223201) 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, 8111 + ... + 9603.

It is an arithmetic number, because the mean of its divisors is an integer number (1754703).

Almost surely, 2^13223501 is an apocalyptic number.

It is an amenable number.

13223501 is a deficient number, since it is larger than the sum of its proper divisors (814123).

13223501 is a wasteful number, since it uses less digits than its factorization.

13223501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 13223501 is about 3636.4132053440. The cubic root of 13223501 is about 236.4733211163.

Adding to 13223501 its reverse (10532231), we get a palindrome (23755732).

The spelling of 13223501 in words is "thirteen million, two hundred twenty-three thousand, five hundred one".