13223001 has 24 divisors (see below), whose sum is σ = 19684000. Its totient is φ = 7888320.

The previous prime is 13222981. The next prime is 13223003. The reversal of 13223001 is 10032231.

It is a happy number.

It is not a de Polignac number, because 13223001 - 2⁷ = 13222873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13223003) 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 23 ways as a sum of consecutive naturals, for example, 26250 + ... + 26748.

Almost surely, 2^13223001 is an apocalyptic number.

13223001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13223001 is a deficient number, since it is larger than the sum of its proper divisors (6460999).

13223001 is a wasteful number, since it uses less digits than its factorization.

13223001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 586 counting only the distinct ones).

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

The square root of 13223001 is about 3636.3444556312. The cubic root of 13223001 is about 236.4703406108.

Adding to 13223001 its reverse (10032231), we get a palindrome (23255232).

The spelling of 13223001 in words is "thirteen million, two hundred twenty-three thousand, one".