13455785 has 16 divisors (see below), whose sum is σ = 18631296. Its totient is φ = 9138048.

The previous prime is 13455779. The next prime is 13455787. The reversal of 13455785 is 58755431.

13455785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13455785 - 2⁴ = 13455769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13455787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1949 + ... + 5541.

It is an arithmetic number, because the mean of its divisors is an integer number (1164456).

Almost surely, 2^13455785 is an apocalyptic number.

It is an amenable number.

13455785 is a deficient number, since it is larger than the sum of its proper divisors (5175511).

13455785 is a wasteful number, since it uses less digits than its factorization.

13455785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712.

The product of its digits is 84000, while the sum is 38.

The square root of 13455785 is about 3668.2127800879. The cubic root of 13455785 is about 237.8499218607.

The spelling of 13455785 in words is "thirteen million, four hundred fifty-five thousand, seven hundred eighty-five".