13052645 has 4 divisors (see below), whose sum is σ = 15663180. Its totient is φ = 10442112.

The previous prime is 13052623. The next prime is 13052647. The reversal of 13052645 is 54625031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54625031 = 499 ⋅109469.

It can be written as a sum of positive squares in 2 ways, for example, as 10125124 + 2927521 = 3182^2 + 1711^2 .

It is a cyclic number.

It is not a de Polignac number, because 13052645 - 2¹² = 13048549 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13052647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1305260 + ... + 1305269.

It is an arithmetic number, because the mean of its divisors is an integer number (3915795).

Almost surely, 2^13052645 is an apocalyptic number.

It is an amenable number.

13052645 is a deficient number, since it is larger than the sum of its proper divisors (2610535).

13052645 is an equidigital number, since it uses as much as digits as its factorization.

13052645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610534.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 13052645 is about 3612.8444472465. The cubic root of 13052645 is about 235.4504413216.

Adding to 13052645 its reverse (54625031), we get a palindrome (67677676).

The spelling of 13052645 in words is "thirteen million, fifty-two thousand, six hundred forty-five".