13608855 has 48 divisors (see below), whose sum is σ = 26042016. Its totient is φ = 6531840.

The previous prime is 13608853. The next prime is 13608911. The reversal of 13608855 is 55880631.

It is not a de Polignac number, because 13608855 - 2¹ = 13608853 is a prime.

It is a super-2 number, since 2×13608855² = 370401868822050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13608851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24885 + ... + 25425.

It is an arithmetic number, because the mean of its divisors is an integer number (542542).

Almost surely, 2^13608855 is an apocalyptic number.

13608855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13608855 is a deficient number, since it is larger than the sum of its proper divisors (12433161).

13608855 is a wasteful number, since it uses less digits than its factorization.

13608855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 13608855 is about 3689.0181620588. The cubic root of 13608855 is about 238.7484325071.

The spelling of 13608855 in words is "thirteen million, six hundred eight thousand, eight hundred fifty-five".