13284745 has 4 divisors (see below), whose sum is σ = 15941700. Its totient is φ = 10627792.

The previous prime is 13284737. The next prime is 13284751. The reversal of 13284745 is 54748231.

13284745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54748231 = 307 ⋅178333.

It can be written as a sum of positive squares in 2 ways, for example, as 10582009 + 2702736 = 3253^2 + 1644^2 .

It is a cyclic number.

It is not a de Polignac number, because 13284745 - 2³ = 13284737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13284745.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1328470 + ... + 1328479.

It is an arithmetic number, because the mean of its divisors is an integer number (3985425).

Almost surely, 2^13284745 is an apocalyptic number.

It is an amenable number.

13284745 is a deficient number, since it is larger than the sum of its proper divisors (2656955).

13284745 is an equidigital number, since it uses as much as digits as its factorization.

13284745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656954.

The product of its digits is 26880, while the sum is 34.

The square root of 13284745 is about 3644.8244127804. The cubic root of 13284745 is about 236.8378305098.

The spelling of 13284745 in words is "thirteen million, two hundred eighty-four thousand, seven hundred forty-five".