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13078 = 213503
BaseRepresentation
bin11001100010110
3122221101
43030112
5404303
6140314
753062
oct31426
918841
1013078
11990a
12769a
135c50
144aa2
153d1d
hex3316

13078 has 8 divisors (see below), whose sum is σ = 21168. Its totient is φ = 6024.

The previous prime is 13063. The next prime is 13093. The reversal of 13078 is 87031.

13078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13063) and next prime (13093).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226 + ... + 277.

It is an arithmetic number, because the mean of its divisors is an integer number (2646).

213078 is an apocalyptic number.

13078 is a deficient number, since it is larger than the sum of its proper divisors (8090).

13078 is a wasteful number, since it uses less digits than its factorization.

13078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 13078 is about 114.3590835920. The cubic root of 13078 is about 23.5602798298.

The spelling of 13078 in words is "thirteen thousand, seventy-eight".

Divisors: 1 2 13 26 503 1006 6539 13078