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12910130 = 252356131
BaseRepresentation
bin110001001111…
…111000110010
3220021220100222
4301033320302
511301111010
61140413042
7214506602
oct61177062
926256328
1012910130
117318632
1243a7182
1328a033c
141a00c02
151200355
hexc4fe32

12910130 has 16 divisors (see below), whose sum is σ = 24249024. Its totient is φ = 4939440.

The previous prime is 12910127. The next prime is 12910147. The reversal of 12910130 is 3101921.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12910099 and 12910108.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 27836 + ... + 28295.

It is an arithmetic number, because the mean of its divisors is an integer number (1515564).

Almost surely, 212910130 is an apocalyptic number.

12910130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12910130 is a deficient number, since it is larger than the sum of its proper divisors (11338894).

12910130 is a wasteful number, since it uses less digits than its factorization.

12910130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56161.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 12910130 is about 3593.0669350848. The cubic root of 12910130 is about 234.5903834604.

The spelling of 12910130 in words is "twelve million, nine hundred ten thousand, one hundred thirty".

Divisors: 1 2 5 10 23 46 115 230 56131 112262 280655 561310 1291013 2582026 6455065 12910130