13003223 has 4 divisors (see below), whose sum is σ = 13451640. Its totient is φ = 12554808.

The previous prime is 13003219. The next prime is 13003231. The reversal of 13003223 is 32230031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32230031 = 1709 ⋅18859.

It is a cyclic number.

It is not a de Polignac number, because 13003223 - 2² = 13003219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13003198 and 13003207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13008223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224165 + ... + 224222.

It is an arithmetic number, because the mean of its divisors is an integer number (3362910).

Almost surely, 2^13003223 is an apocalyptic number.

13003223 is a deficient number, since it is larger than the sum of its proper divisors (448417).

13003223 is an equidigital number, since it uses as much as digits as its factorization.

13003223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448416.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 13003223 is about 3605.9981974482. The cubic root of 13003223 is about 235.1528988375.

Adding to 13003223 its reverse (32230031), we get a palindrome (45233254).

The spelling of 13003223 in words is "thirteen million, three thousand, two hundred twenty-three".