13204845 has 12 divisors (see below), whose sum is σ = 22888476. Its totient is φ = 7042560.

The previous prime is 13204843. The next prime is 13204847. The reversal of 13204845 is 54840231.

It is an interprime number because it is at equal distance from previous prime (13204843) and next prime (13204847).

It can be written as a sum of positive squares in 2 ways, for example, as 5963364 + 7241481 = 2442^2 + 2691^2 .

It is not a de Polignac number, because 13204845 - 2¹ = 13204843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13204843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146676 + ... + 146765.

It is an arithmetic number, because the mean of its divisors is an integer number (1907373).

Almost surely, 2^13204845 is an apocalyptic number.

13204845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13204845 is a deficient number, since it is larger than the sum of its proper divisors (9683631).

13204845 is a wasteful number, since it uses less digits than its factorization.

13204845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293452 (or 293449 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 13204845 is about 3633.8471349246. The cubic root of 13204845 is about 236.3620615593.

The spelling of 13204845 in words is "thirteen million, two hundred four thousand, eight hundred forty-five".