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12930852 = 2231197961
BaseRepresentation
bin110001010100…
…111100100100
3220022221210110
4301110330210
511302241402
61141053020
7214624164
oct61247444
926287713
1012930852
117332160
1243b7170
1328a98bc
141a085a4
15120656c
hexc54f24

12930852 has 24 divisors (see below), whose sum is σ = 32915232. Its totient is φ = 3918400.

The previous prime is 12930851. The next prime is 12930857. The reversal of 12930852 is 25803921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12930851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48849 + ... + 49112.

It is an arithmetic number, because the mean of its divisors is an integer number (1371468).

Almost surely, 212930852 is an apocalyptic number.

12930852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12930852 is an abundant number, since it is smaller than the sum of its proper divisors (19984380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12930852 is a wasteful number, since it uses less digits than its factorization.

12930852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97979 (or 97977 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 12930852 is about 3595.9493878529. The cubic root of 12930852 is about 234.7158297406.

The spelling of 12930852 in words is "twelve million, nine hundred thirty thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 97961 195922 293883 391844 587766 1077571 1175532 2155142 3232713 4310284 6465426 12930852