Search a number
-
+
13074287 is a prime number
BaseRepresentation
bin110001110111…
…111101101111
3220121020112212
4301313331233
511321334122
61144121035
7216062312
oct61677557
926536485
1013074287
11741a9a6
12446617b
132929c85
141a44979
151233ce2
hexc77f6f

13074287 has 2 divisors, whose sum is σ = 13074288. Its totient is φ = 13074286.

The previous prime is 13074277. The next prime is 13074289. The reversal of 13074287 is 78247031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13074287 - 218 = 12812143 is a prime.

Together with 13074289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13074289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6537143 + 6537144.

It is an arithmetic number, because the mean of its divisors is an integer number (6537144).

Almost surely, 213074287 is an apocalyptic number.

13074287 is a deficient number, since it is larger than the sum of its proper divisors (1).

13074287 is an equidigital number, since it uses as much as digits as its factorization.

13074287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 13074287 is about 3615.8383536878. The cubic root of 13074287 is about 235.5804993742.

The spelling of 13074287 in words is "thirteen million, seventy-four thousand, two hundred eighty-seven".