13001223 has 8 divisors (see below), whose sum is σ = 17757936. Its totient is φ = 8456000.

The previous prime is 13001213. The next prime is 13001237. The reversal of 13001223 is 32210031.

It is a happy number.

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 13001223 - 2⁶ = 13001159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13001199 and 13001208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001213) 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, 52728 + ... + 52973.

It is an arithmetic number, because the mean of its divisors is an integer number (2219742).

Almost surely, 2^13001223 is an apocalyptic number.

13001223 is a deficient number, since it is larger than the sum of its proper divisors (4756713).

13001223 is a wasteful number, since it uses less digits than its factorization.

13001223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105745.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13001223 is about 3605.7208710603. The cubic root of 13001223 is about 235.1408420853.

Adding to 13001223 its reverse (32210031), we get a palindrome (45211254).

The spelling of 13001223 in words is "thirteen million, one thousand, two hundred twenty-three".