13608555 has 8 divisors (see below), whose sum is σ = 21773712. Its totient is φ = 7257888.

The previous prime is 13608533. The next prime is 13608583. The reversal of 13608555 is 55580631.

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

It is not a de Polignac number, because 13608555 - 2⁵ = 13608523 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453604 + ... + 453633.

It is an arithmetic number, because the mean of its divisors is an integer number (2721714).

Almost surely, 2^13608555 is an apocalyptic number.

13608555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13608555 is a deficient number, since it is larger than the sum of its proper divisors (8165157).

13608555 is an equidigital number, since it uses as much as digits as its factorization.

13608555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907245.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 13608555 is about 3688.9775006091. The cubic root of 13608555 is about 238.7466781333.

The spelling of 13608555 in words is "thirteen million, six hundred eight thousand, five hundred fifty-five".