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12968428 = 2211476271
BaseRepresentation
bin110001011110…
…000111101100
3220101212100011
4301132013230
511304442203
61141543004
7215141554
oct61360754
926355304
1012968428
117358410
124414a64
1328c0a35
141a18164
15121276d
hexc5e1ec

12968428 has 24 divisors (see below), whose sum is σ = 25288704. Its totient is φ = 5768400.

The previous prime is 12968407. The next prime is 12968429. The reversal of 12968428 is 82486921.

It is not an unprimeable number, because it can be changed into a prime (12968429) 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 in 7 ways as a sum of consecutive naturals, for example, 1068 + ... + 5203.

It is an arithmetic number, because the mean of its divisors is an integer number (1053696).

Almost surely, 212968428 is an apocalyptic number.

It is an amenable number.

12968428 is a deficient number, since it is larger than the sum of its proper divisors (12320276).

12968428 is a wasteful number, since it uses less digits than its factorization.

12968428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6333 (or 6331 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 12968428 is about 3601.1703653118. The cubic root of 12968428 is about 234.9429648820.

The spelling of 12968428 in words is "twelve million, nine hundred sixty-eight thousand, four hundred twenty-eight".

Divisors: 1 2 4 11 22 44 47 94 188 517 1034 2068 6271 12542 25084 68981 137962 275924 294737 589474 1178948 3242107 6484214 12968428