13455717 has 16 divisors (see below), whose sum is σ = 19906560. Its totient is φ = 8015600.

The previous prime is 13455709. The next prime is 13455719. The reversal of 13455717 is 71755431.

13455717 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 13455717 - 2³ = 13455709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13455719) 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, 1509 + ... + 5402.

It is an arithmetic number, because the mean of its divisors is an integer number (1244160).

Almost surely, 2^13455717 is an apocalyptic number.

It is an amenable number.

13455717 is a deficient number, since it is larger than the sum of its proper divisors (6450843).

13455717 is a wasteful number, since it uses less digits than its factorization.

13455717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6984.

The product of its digits is 14700, while the sum is 33.

The square root of 13455717 is about 3668.2035112572. The cubic root of 13455717 is about 237.8495211949.

The spelling of 13455717 in words is "thirteen million, four hundred fifty-five thousand, seven hundred seventeen".