13609853 has 2 divisors, whose sum is σ = 13609854. Its totient is φ = 13609852.

The previous prime is 13609847. The next prime is 13609873. The reversal of 13609853 is 35890631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10067929 + 3541924 = 3173^2 + 1882^2 .

It is a cyclic number.

It is not a de Polignac number, because 13609853 - 2⁶ = 13609789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13609873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6804926 + 6804927.

It is an arithmetic number, because the mean of its divisors is an integer number (6804927).

Almost surely, 2^13609853 is an apocalyptic number.

It is an amenable number.

13609853 is a deficient number, since it is larger than the sum of its proper divisors (1).

13609853 is an equidigital number, since it uses as much as digits as its factorization.

13609853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 13609853 is about 3689.1534259231. The cubic root of 13609853 is about 238.7542685384.

The spelling of 13609853 in words is "thirteen million, six hundred nine thousand, eight hundred fifty-three".