13204345 has 16 divisors (see below), whose sum is σ = 19755648. Its totient is φ = 8231040.

The previous prime is 13204339. The next prime is 13204361. The reversal of 13204345 is 54340231.

It is not a de Polignac number, because 13204345 - 2⁹ = 13203833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16764 + ... + 17533.

It is an arithmetic number, because the mean of its divisors is an integer number (1234728).

Almost surely, 2^13204345 is an apocalyptic number.

It is an amenable number.

13204345 is a deficient number, since it is larger than the sum of its proper divisors (6551303).

13204345 is a wasteful number, since it uses less digits than its factorization.

13204345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34320.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 13204345 is about 3633.7783366628. The cubic root of 13204345 is about 236.3590782472.

Adding to 13204345 its reverse (54340231), we get a palindrome (67544576).

It can be divided in two parts, 1320 and 4345, that added together give a palindrome (5665).

The spelling of 13204345 in words is "thirteen million, two hundred four thousand, three hundred forty-five".