13698223 has 16 divisors (see below), whose sum is σ = 17498880. Its totient is φ = 10411200.

The previous prime is 13698211. The next prime is 13698233. The reversal of 13698223 is 32289631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13698223 - 2¹³ = 13690031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13698233) 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 15 ways as a sum of consecutive naturals, for example, 988 + ... + 5326.

It is an arithmetic number, because the mean of its divisors is an integer number (1093680).

Almost surely, 2^13698223 is an apocalyptic number.

13698223 is a deficient number, since it is larger than the sum of its proper divisors (3800657).

13698223 is a wasteful number, since it uses less digits than its factorization.

13698223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4398.

The product of its digits is 15552, while the sum is 34.

The square root of 13698223 is about 3701.1110494012. Note that the first 3 decimals coincide. The cubic root of 13698223 is about 239.2699051007.

The spelling of 13698223 in words is "thirteen million, six hundred ninety-eight thousand, two hundred twenty-three".