13828265 has 16 divisors (see below), whose sum is σ = 18285696. Its totient is φ = 9955200.

The previous prime is 13828261. The next prime is 13828271. The reversal of 13828265 is 56282831.

It is not a de Polignac number, because 13828265 - 2² = 13828261 is a prime.

Its product of digits (23040) is a multiple of the sum of its prime divisors (2560).

It is not an unprimeable number, because it can be changed into a prime (13828261) 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, 4445 + ... + 6885.

It is an arithmetic number, because the mean of its divisors is an integer number (1142856).

Almost surely, 2^13828265 is an apocalyptic number.

It is an amenable number.

13828265 is a deficient number, since it is larger than the sum of its proper divisors (4457431).

13828265 is a wasteful number, since it uses less digits than its factorization.

13828265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560.

The product of its digits is 23040, while the sum is 35.

The square root of 13828265 is about 3718.6375193073. The cubic root of 13828265 is about 240.0246791751.

It can be divided in two parts, 1382826 and 5, that added together give a palindrome (1382831).

The spelling of 13828265 in words is "thirteen million, eight hundred twenty-eight thousand, two hundred sixty-five".