13655973 has 8 divisors (see below), whose sum is σ = 18251200. Its totient is φ = 9082368.

The previous prime is 13655959. The next prime is 13655989. The reversal of 13655973 is 37955631.

13655973 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13655973 - 2⁹ = 13655461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13655933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3868 + ... + 6501.

It is an arithmetic number, because the mean of its divisors is an integer number (2281400).

Almost surely, 2^13655973 is an apocalyptic number.

It is an amenable number.

13655973 is a deficient number, since it is larger than the sum of its proper divisors (4595227).

13655973 is a wasteful number, since it uses less digits than its factorization.

13655973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10811.

The product of its digits is 85050, while the sum is 39.

The square root of 13655973 is about 3695.3988959245. The cubic root of 13655973 is about 239.0236550409.

The spelling of 13655973 in words is "thirteen million, six hundred fifty-five thousand, nine hundred seventy-three".