13955556 has 48 divisors (see below), whose sum is σ = 33566400. Its totient is φ = 4511232.

The previous prime is 13955551. The next prime is 13955567. The reversal of 13955556 is 65555931.

It is not an unprimeable number, because it can be changed into a prime (13955551) 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 15 ways as a sum of consecutive naturals, for example, 77875 + ... + 78053.

It is an arithmetic number, because the mean of its divisors is an integer number (699300).

Almost surely, 2^13955556 is an apocalyptic number.

It is an amenable number.

13955556 is an abundant number, since it is smaller than the sum of its proper divisors (19610844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13955556 is a wasteful number, since it uses less digits than its factorization.

13955556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 346 counting only the distinct ones).

The product of its digits is 101250, while the sum is 39.

The square root of 13955556 is about 3735.7135864517. The cubic root of 13955556 is about 240.7589171017.

The spelling of 13955556 in words is "thirteen million, nine hundred fifty-five thousand, five hundred fifty-six".