13432223 has 8 divisors (see below), whose sum is σ = 15664800. Its totient is φ = 11513040.

The previous prime is 13432213. The next prime is 13432229. The reversal of 13432223 is 32223431.

It is not a de Polignac number, because 13432223 - 2⁸ = 13431967 is a prime.

It is a super-2 number, since 2×13432223² = 360849229443458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13432195 and 13432204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13432229) 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, 19238 + ... + 19923.

It is an arithmetic number, because the mean of its divisors is an integer number (1958100).

Almost surely, 2^13432223 is an apocalyptic number.

13432223 is a deficient number, since it is larger than the sum of its proper divisors (2232577).

13432223 is an frugal number, since it uses more digits than its factorization.

13432223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39182 (or 39168 counting only the distinct ones).

The product of its digits is 864, while the sum is 20.

The square root of 13432223 is about 3664.9997271487. Note that the first 3 decimals coincide. The cubic root of 13432223 is about 237.7110102534.

Adding to 13432223 its reverse (32223431), we get a palindrome (45655654).

The spelling of 13432223 in words is "thirteen million, four hundred thirty-two thousand, two hundred twenty-three".