13251223 has 8 divisors (see below), whose sum is σ = 13651200. Its totient is φ = 12857208.

The previous prime is 13251169. The next prime is 13251233. The reversal of 13251223 is 32215231.

13251223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13251223 - 2⁹ = 13250711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13251223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13251233) 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, 3240 + ... + 6082.

It is an arithmetic number, because the mean of its divisors is an integer number (1706400).

Almost surely, 2^13251223 is an apocalyptic number.

13251223 is a deficient number, since it is larger than the sum of its proper divisors (399977).

13251223 is an equidigital number, since it uses as much as digits as its factorization.

13251223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981.

The product of its digits is 360, while the sum is 19.

The square root of 13251223 is about 3640.2229327337. Note that the first 3 decimals coincide. The cubic root of 13251223 is about 236.6384548355.

Adding to 13251223 its reverse (32215231), we get a palindrome (45466454).

The spelling of 13251223 in words is "thirteen million, two hundred fifty-one thousand, two hundred twenty-three".