13856455 has 16 divisors (see below), whose sum is σ = 17061408. Its totient is φ = 10800000.

The previous prime is 13856441. The next prime is 13856509. The reversal of 13856455 is 55465831.

It is not a de Polignac number, because 13856455 - 2⁹ = 13855943 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, 55080 + ... + 55330.

It is an arithmetic number, because the mean of its divisors is an integer number (1066338).

Almost surely, 2^13856455 is an apocalyptic number.

13856455 is a deficient number, since it is larger than the sum of its proper divisors (3204953).

13856455 is a wasteful number, since it uses less digits than its factorization.

13856455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498.

The product of its digits is 72000, while the sum is 37.

The square root of 13856455 is about 3722.4259562817. The cubic root of 13856455 is about 240.1876714963.

The spelling of 13856455 in words is "thirteen million, eight hundred fifty-six thousand, four hundred fifty-five".