13320346 has 8 divisors (see below), whose sum is σ = 21517524. Its totient is φ = 6147840.

The previous prime is 13320343. The next prime is 13320353. The reversal of 13320346 is 64302331.

It can be written as a sum of positive squares in 2 ways, for example, as 10169721 + 3150625 = 3189^2 + 1775^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13320343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256135 + ... + 256186.

Almost surely, 2^13320346 is an apocalyptic number.

13320346 is a deficient number, since it is larger than the sum of its proper divisors (8197178).

13320346 is a wasteful number, since it uses less digits than its factorization.

13320346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512336.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 13320346 is about 3649.7049195791. The cubic root of 13320346 is about 237.0492043565.

Adding to 13320346 its reverse (64302331), we get a palindrome (77622677).

The spelling of 13320346 in words is "thirteen million, three hundred twenty thousand, three hundred forty-six".