13828945 has 16 divisors (see below), whose sum is σ = 18450432. Its totient is φ = 9881280.

The previous prime is 13828937. The next prime is 13828949. The reversal of 13828945 is 54982831.

It is not a de Polignac number, because 13828945 - 2³ = 13828937 is a prime.

13828945 is a Rhonda number in base 10.

Its product of digits (69120) is a multiple of the sum of its prime divisors (6912).

It is a junction number, because it is equal to n+sod(n) for n = 13828898 and 13828907.

It is not an unprimeable number, because it can be changed into a prime (13828949) 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, 1417 + ... + 5446.

It is an arithmetic number, because the mean of its divisors is an integer number (1153152).

Almost surely, 2^13828945 is an apocalyptic number.

It is an amenable number.

13828945 is a deficient number, since it is larger than the sum of its proper divisors (4621487).

13828945 is a wasteful number, since it uses less digits than its factorization.

13828945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6912.

The product of its digits is 69120, while the sum is 40.

The square root of 13828945 is about 3718.7289495203. The cubic root of 13828945 is about 240.0286134866.

The spelling of 13828945 in words is "thirteen million, eight hundred twenty-eight thousand, nine hundred forty-five".