13223697 has 8 divisors (see below), whose sum is σ = 17662560. Its totient is φ = 8800320.

The previous prime is 13223687. The next prime is 13223699. The reversal of 13223697 is 79632231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13223697 - 2⁶ = 13223633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13223699) 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 7 ways as a sum of consecutive naturals, for example, 1704 + ... + 5417.

It is an arithmetic number, because the mean of its divisors is an integer number (2207820).

Almost surely, 2^13223697 is an apocalyptic number.

It is an amenable number.

13223697 is a deficient number, since it is larger than the sum of its proper divisors (4438863).

13223697 is an equidigital number, since it uses as much as digits as its factorization.

13223697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7743.

The product of its digits is 13608, while the sum is 33.

The square root of 13223697 is about 3636.4401548767. The cubic root of 13223697 is about 236.4744894540.

The spelling of 13223697 in words is "thirteen million, two hundred twenty-three thousand, six hundred ninety-seven".