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12960153 = 321440017
BaseRepresentation
bin110001011100…
…000110011001
3220101102222200
4301130012121
511304211103
61141440413
7215105463
oct61340631
926342880
1012960153
117352178
124410109
1328ba03b
141a15133
1512100a3
hexc5c199

12960153 has 6 divisors (see below), whose sum is σ = 18720234. Its totient is φ = 8640096.

The previous prime is 12960119. The next prime is 12960163. The reversal of 12960153 is 35106921.

12960153 is a `hidden beast` number, since 1 + 2 + 9 + 601 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6594624 + 6365529 = 2568^2 + 2523^2 .

It is not a de Polignac number, because 12960153 - 210 = 12959129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12960163) 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 5 ways as a sum of consecutive naturals, for example, 720000 + ... + 720017.

It is an arithmetic number, because the mean of its divisors is an integer number (3120039).

Almost surely, 212960153 is an apocalyptic number.

It is an amenable number.

12960153 is a deficient number, since it is larger than the sum of its proper divisors (5760081).

12960153 is a wasteful number, since it uses less digits than its factorization.

12960153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440023 (or 1440020 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 12960153 is about 3600.0212499373. The cubic root of 12960153 is about 234.8929828102.

The spelling of 12960153 in words is "twelve million, nine hundred sixty thousand, one hundred fifty-three".

Divisors: 1 3 9 1440017 4320051 12960153