13801223 has 4 divisors (see below), whose sum is σ = 13812288. Its totient is φ = 13790160.

The previous prime is 13801213. The next prime is 13801261. The reversal of 13801223 is 32210831.

13801223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13801223 - 2⁶ = 13801159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13801195 and 13801204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13801213) 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, 3383 + ... + 6248.

It is an arithmetic number, because the mean of its divisors is an integer number (3453072).

Almost surely, 2^13801223 is an apocalyptic number.

13801223 is a deficient number, since it is larger than the sum of its proper divisors (11065).

13801223 is an equidigital number, since it uses as much as digits as its factorization.

13801223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11064.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 13801223 is about 3714.9997308210. Note that the first 3 decimals coincide. The cubic root of 13801223 is about 239.8681161984.

The spelling of 13801223 in words is "thirteen million, eight hundred one thousand, two hundred twenty-three".