13945555 has 16 divisors (see below), whose sum is σ = 18275040. Its totient is φ = 10153728.

The previous prime is 13945543. The next prime is 13945571. The reversal of 13945555 is 55554931.

13945555 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13945555 - 2⁷ = 13945427 is a prime.

It is an unprimeable number.

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, 3276 + ... + 6214.

It is an arithmetic number, because the mean of its divisors is an integer number (1142190).

Almost surely, 2^13945555 is an apocalyptic number.

13945555 is a deficient number, since it is larger than the sum of its proper divisors (4329485).

13945555 is a wasteful number, since it uses less digits than its factorization.

13945555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030.

The product of its digits is 67500, while the sum is 37.

The square root of 13945555 is about 3734.3747803347. The cubic root of 13945555 is about 240.7013914984.

The spelling of 13945555 in words is "thirteen million, nine hundred forty-five thousand, five hundred fifty-five".