13755855 has 16 divisors (see below), whose sum is σ = 22055904. Its totient is φ = 7320960.

The previous prime is 13755827. The next prime is 13755871. The reversal of 13755855 is 55855731.

It is not a de Polignac number, because 13755855 - 2⁷ = 13755727 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11757 + ... + 12873.

It is an arithmetic number, because the mean of its divisors is an integer number (1378494).

Almost surely, 2^13755855 is an apocalyptic number.

13755855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13755855 is a deficient number, since it is larger than the sum of its proper divisors (8300049).

13755855 is a wasteful number, since it uses less digits than its factorization.

13755855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946.

The product of its digits is 105000, while the sum is 39.

The square root of 13755855 is about 3708.8886475601. Note that the first 3 decimals coincide. The cubic root of 13755855 is about 239.6049925892.

The spelling of 13755855 in words is "thirteen million, seven hundred fifty-five thousand, eight hundred fifty-five".