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13260707 = 67197921
BaseRepresentation
bin110010100101…
…011110100011
3220221201021022
4302211132203
511343320312
61152120055
7220466645
oct62453643
926851238
1013260707
117537a69
12453602b
132993a95
141a92895
15126e172
hexca57a3

13260707 has 4 divisors (see below), whose sum is σ = 13458696. Its totient is φ = 13062720.

The previous prime is 13260701. The next prime is 13260713. The reversal of 13260707 is 70706231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70706231 = 233330307.

It is an interprime number because it is at equal distance from previous prime (13260701) and next prime (13260713).

It is a cyclic number.

It is not a de Polignac number, because 13260707 - 214 = 13244323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13260701) 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, 98894 + ... + 99027.

It is an arithmetic number, because the mean of its divisors is an integer number (3364674).

Almost surely, 213260707 is an apocalyptic number.

13260707 is a deficient number, since it is larger than the sum of its proper divisors (197989).

13260707 is an equidigital number, since it uses as much as digits as its factorization.

13260707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197988.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 13260707 is about 3641.5253672053. The cubic root of 13260707 is about 236.6948960133.

Adding to 13260707 its reverse (70706231), we get a palindrome (83966938).

The spelling of 13260707 in words is "thirteen million, two hundred sixty thousand, seven hundred seven".

Divisors: 1 67 197921 13260707