13955 has 4 divisors (see below), whose sum is σ = 16752. Its totient is φ = 11160.

The previous prime is 13933. The next prime is 13963. The reversal of 13955 is 55931.

13955 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13955 - 2¹² = 9859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13955.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391 + ... + 1400.

It is an arithmetic number, because the mean of its divisors is an integer number (4188).

2¹³⁹⁵⁵ is an apocalyptic number.

13955 is a deficient number, since it is larger than the sum of its proper divisors (2797).

13955 is an equidigital number, since it uses as much as digits as its factorization.

13955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796.

The product of its digits is 675, while the sum is 23.

The square root of 13955 is about 118.1312829017. The cubic root of 13955 is about 24.0755719720.

The spelling of 13955 in words is "thirteen thousand, nine hundred fifty-five".