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12930163 = 23562181
BaseRepresentation
bin110001010100…
…110001110011
3220022220211221
4301110301303
511302231123
61141045511
7214622161
oct61246163
926286757
1012930163
117331694
1243b6897
1328a94ac
141a08231
15120625d
hexc54c73

12930163 has 4 divisors (see below), whose sum is σ = 13492368. Its totient is φ = 12367960.

The previous prime is 12930161. The next prime is 12930179. The reversal of 12930163 is 36103921.

12930163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12930163 - 21 = 12930161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12930161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281068 + ... + 281113.

It is an arithmetic number, because the mean of its divisors is an integer number (3373092).

Almost surely, 212930163 is an apocalyptic number.

12930163 is a deficient number, since it is larger than the sum of its proper divisors (562205).

12930163 is an equidigital number, since it uses as much as digits as its factorization.

12930163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562204.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 12930163 is about 3595.8535843385. The cubic root of 12930163 is about 234.7116608459.

The spelling of 12930163 in words is "twelve million, nine hundred thirty thousand, one hundred sixty-three".

Divisors: 1 23 562181 12930163