13320232 has 8 divisors (see below), whose sum is σ = 24975450. Its totient is φ = 6660112.

The previous prime is 13320221. The next prime is 13320233. The reversal of 13320232 is 23202331.

It can be written as a sum of positive squares in only one way, i.e., 12292036 + 1028196 = 3506^2 + 1014^2 .

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 (13320233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 832507 + ... + 832522.

Almost surely, 2^13320232 is an apocalyptic number.

It is an amenable number.

13320232 is a deficient number, since it is larger than the sum of its proper divisors (11655218).

13320232 is a wasteful number, since it uses less digits than its factorization.

13320232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665035 (or 1665031 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 13320232 is about 3649.6893018447. The cubic root of 13320232 is about 237.0485281056.

Adding to 13320232 its reverse (23202331), we get a palindrome (36522563).

It can be divided in two parts, 1 and 3320232, that added together give a palindrome (3320233).

The spelling of 13320232 in words is "thirteen million, three hundred twenty thousand, two hundred thirty-two".