13204245 has 8 divisors (see below), whose sum is σ = 21126816. Its totient is φ = 7042256.

The previous prime is 13204241. The next prime is 13204249. The reversal of 13204245 is 54240231.

It is an interprime number because it is at equal distance from previous prime (13204241) and next prime (13204249).

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

It is a cyclic number.

It is not a de Polignac number, because 13204245 - 2² = 13204241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13204241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440127 + ... + 440156.

It is an arithmetic number, because the mean of its divisors is an integer number (2640852).

Almost surely, 2^13204245 is an apocalyptic number.

13204245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13204245 is a deficient number, since it is larger than the sum of its proper divisors (7922571).

13204245 is an equidigital number, since it uses as much as digits as its factorization.

13204245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880291.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 13204245 is about 3633.7645768541. The cubic root of 13204245 is about 236.3584815758.

Adding to 13204245 its reverse (54240231), we get a palindrome (67444476).

It can be divided in two parts, 1320 and 4245, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 13204245 in words is "thirteen million, two hundred four thousand, two hundred forty-five".