13866455 has 16 divisors (see below), whose sum is σ = 17328384. Its totient is φ = 10640640.

The previous prime is 13866439. The next prime is 13866491. The reversal of 13866455 is 55466831.

It is not a de Polignac number, because 13866455 - 2⁴ = 13866439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20909 + ... + 21561.

It is an arithmetic number, because the mean of its divisors is an integer number (1083024).

Almost surely, 2^13866455 is an apocalyptic number.

13866455 is a deficient number, since it is larger than the sum of its proper divisors (3461929).

13866455 is a wasteful number, since it uses less digits than its factorization.

13866455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826.

The product of its digits is 86400, while the sum is 38.

The square root of 13866455 is about 3723.7689240875. The cubic root of 13866455 is about 240.2454375735.

The spelling of 13866455 in words is "thirteen million, eight hundred sixty-six thousand, four hundred fifty-five".