13260061 has 4 divisors (see below), whose sum is σ = 13315324. Its totient is φ = 13204800.

The previous prime is 13260059. The next prime is 13260067. The reversal of 13260061 is 16006231.

13260061 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6859161 + 6400900 = 2619^2 + 2530^2 .

It is a cyclic number.

It is not a de Polignac number, because 13260061 - 2¹ = 13260059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13260067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27270 + ... + 27751.

It is an arithmetic number, because the mean of its divisors is an integer number (3328831).

Almost surely, 2^13260061 is an apocalyptic number.

13260061 is the 1629-th centered decagonal number.

It is an amenable number.

13260061 is a deficient number, since it is larger than the sum of its proper divisors (55263).

13260061 is an equidigital number, since it uses as much as digits as its factorization.

13260061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55262.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 13260061 is about 3641.4366670313. The cubic root of 13260061 is about 236.6910523926.

Adding to 13260061 its reverse (16006231), we get a palindrome (29266292).

The spelling of 13260061 in words is "thirteen million, two hundred sixty thousand, sixty-one".