13223432 has 8 divisors (see below), whose sum is σ = 24793950. Its totient is φ = 6611712.

The previous prime is 13223423. The next prime is 13223437. The reversal of 13223432 is 23432231.

It can be written as a sum of positive squares in only one way, i.e., 8444836 + 4778596 = 2906^2 + 2186^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13223437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826457 + ... + 826472.

Almost surely, 2^13223432 is an apocalyptic number.

It is an amenable number.

13223432 is a deficient number, since it is larger than the sum of its proper divisors (11570518).

13223432 is a wasteful number, since it uses less digits than its factorization.

13223432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652935 (or 1652931 counting only the distinct ones).

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

The square root of 13223432 is about 3636.4037179609. The cubic root of 13223432 is about 236.4729098110.

Adding to 13223432 its reverse (23432231), we get a palindrome (36655663).

The spelling of 13223432 in words is "thirteen million, two hundred twenty-three thousand, four hundred thirty-two".