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12005293 = 107112199
BaseRepresentation
bin101101110010…
…111110101101
3211120221011111
4231302332231
511033132133
61105152021
7204020566
oct55627655
924527144
1012005293
11685a833
12402b611
132644531
14184716d
1510c21cd
hexb72fad

12005293 has 4 divisors (see below), whose sum is σ = 12117600. Its totient is φ = 11892988.

The previous prime is 12005269. The next prime is 12005297. The reversal of 12005293 is 39250021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39250021 = 291353449.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12005293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12005297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55993 + ... + 56206.

It is an arithmetic number, because the mean of its divisors is an integer number (3029400).

Almost surely, 212005293 is an apocalyptic number.

It is an amenable number.

12005293 is a deficient number, since it is larger than the sum of its proper divisors (112307).

12005293 is a wasteful number, since it uses less digits than its factorization.

12005293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112306.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 12005293 is about 3464.8655096555. The cubic root of 12005293 is about 228.9765045210.

The spelling of 12005293 in words is "twelve million, five thousand, two hundred ninety-three".

Divisors: 1 107 112199 12005293