Search a number
-
+
13265081 is a prime number
BaseRepresentation
bin110010100110…
…100010111001
3220221221021022
4302212202321
511343440311
61152152225
7220515464
oct62464271
926857238
1013265081
117540285
124538675
132995a7b
141a942db
1512705db
hexca68b9

13265081 has 2 divisors, whose sum is σ = 13265082. Its totient is φ = 13265080.

The previous prime is 13265053. The next prime is 13265123. The reversal of 13265081 is 18056231.

13265081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12924025 + 341056 = 3595^2 + 584^2 .

It is a cyclic number.

It is not a de Polignac number, because 13265081 - 222 = 9070777 is a prime.

It is a super-2 number, since 2×132650812 = 351924747873122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13265081.

It is not a weakly prime, because it can be changed into another prime (13265381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6632540 + 6632541.

It is an arithmetic number, because the mean of its divisors is an integer number (6632541).

Almost surely, 213265081 is an apocalyptic number.

It is an amenable number.

13265081 is a deficient number, since it is larger than the sum of its proper divisors (1).

13265081 is an equidigital number, since it uses as much as digits as its factorization.

13265081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 13265081 is about 3642.1258901911. The cubic root of 13265081 is about 236.7209174933.

The spelling of 13265081 in words is "thirteen million, two hundred sixty-five thousand, eighty-one".