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12960858 = 2373127233
BaseRepresentation
bin110001011100…
…010001011010
3220101110221210
4301130101122
511304221413
61141443550
7215110521
oct61342132
926343853
1012960858
117352759
1244105b6
1328ba461
141a154b8
1512103c3
hexc5c45a

12960858 has 32 divisors (see below), whose sum is σ = 26597376. Its totient is φ = 4209408.

The previous prime is 12960847. The next prime is 12960877. The reversal of 12960858 is 85806921.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 55510 + ... + 55742.

It is an arithmetic number, because the mean of its divisors is an integer number (831168).

Almost surely, 212960858 is an apocalyptic number.

12960858 is an abundant number, since it is smaller than the sum of its proper divisors (13636518).

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

12960858 is a wasteful number, since it uses less digits than its factorization.

12960858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 12960858 is about 3600.1191646944. The cubic root of 12960858 is about 234.8972419305.

The spelling of 12960858 in words is "twelve million, nine hundred sixty thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 73 127 146 219 233 254 381 438 466 699 762 1398 9271 17009 18542 27813 29591 34018 51027 55626 59182 88773 102054 177546 2160143 4320286 6480429 12960858