13420304 has 10 divisors (see below), whose sum is σ = 26001870. Its totient is φ = 6710144.

The previous prime is 13420291. The next prime is 13420321. The reversal of 13420304 is 40302431.

It can be written as a sum of positive squares in only one way, i.e., 9610000 + 3810304 = 3100^2 + 1952^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419369 + ... + 419400.

It is an arithmetic number, because the mean of its divisors is an integer number (2600187).

Almost surely, 2^13420304 is an apocalyptic number.

It is an amenable number.

13420304 is a deficient number, since it is larger than the sum of its proper divisors (12581566).

13420304 is an equidigital number, since it uses as much as digits as its factorization.

13420304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838777 (or 838771 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 13420304 is about 3663.3733088507. The cubic root of 13420304 is about 237.6406789817.

Adding to 13420304 its reverse (40302431), we get a palindrome (53722735).

The spelling of 13420304 in words is "thirteen million, four hundred twenty thousand, three hundred four".