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12580293 = 311381221
BaseRepresentation
bin101111111111…
…010111000101
3212200010220210
4233333113011
511210032133
61125350033
7211634145
oct57772705
925603823
1012580293
117112840
124268319
1327b617b
141956925
151187763
hexbff5c5

12580293 has 8 divisors (see below), whose sum is σ = 18298656. Its totient is φ = 7624400.

The previous prime is 12580283. The next prime is 12580297. The reversal of 12580293 is 39208521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12580293 - 221 = 10483141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12580293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12580297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190578 + ... + 190643.

It is an arithmetic number, because the mean of its divisors is an integer number (2287332).

Almost surely, 212580293 is an apocalyptic number.

It is an amenable number.

12580293 is a deficient number, since it is larger than the sum of its proper divisors (5718363).

12580293 is a wasteful number, since it uses less digits than its factorization.

12580293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381235.

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

The square root of 12580293 is about 3546.8708744469. The cubic root of 12580293 is about 232.5752976140.

The spelling of 12580293 in words is "twelve million, five hundred eighty thousand, two hundred ninety-three".

Divisors: 1 3 11 33 381221 1143663 4193431 12580293