Search a number
-
+
13078193 is a prime number
BaseRepresentation
bin110001111000…
…111010110001
3220121102220112
4301320322301
511322000233
61144151105
7216106562
oct61707261
926542815
1013078193
117422927
124468495
13292b99b
141a46169
151235048
hexc78eb1

13078193 has 2 divisors, whose sum is σ = 13078194. Its totient is φ = 13078192.

The previous prime is 13078183. The next prime is 13078229. The reversal of 13078193 is 39187031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10349089 + 2729104 = 3217^2 + 1652^2 .

It is a cyclic number.

It is not a de Polignac number, because 13078193 - 220 = 12029617 is a prime.

It is not a weakly prime, because it can be changed into another prime (13078103) 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 as a sum of consecutive naturals, namely, 6539096 + 6539097.

It is an arithmetic number, because the mean of its divisors is an integer number (6539097).

Almost surely, 213078193 is an apocalyptic number.

It is an amenable number.

13078193 is a deficient number, since it is larger than the sum of its proper divisors (1).

13078193 is an equidigital number, since it uses as much as digits as its factorization.

13078193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 13078193 is about 3616.3784370555. The cubic root of 13078193 is about 235.6039572706.

The spelling of 13078193 in words is "thirteen million, seventy-eight thousand, one hundred ninety-three".