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12883079 = 111171189
BaseRepresentation
bin110001001001…
…010010000111
3220020112021002
4301021102013
511244224304
61140043515
7214334666
oct61112207
926215232
1012883079
1172aa280
12439359b
132890c31
1419d4ddd
1511e731e
hexc49487

12883079 has 4 divisors (see below), whose sum is σ = 14054280. Its totient is φ = 11711880.

The previous prime is 12883043. The next prime is 12883103. The reversal of 12883079 is 97038821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97038821 = 118821711.

It is a cyclic number.

It is not a de Polignac number, because 12883079 - 28 = 12882823 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 (12888079) 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, 585584 + ... + 585605.

It is an arithmetic number, because the mean of its divisors is an integer number (3513570).

Almost surely, 212883079 is an apocalyptic number.

12883079 is a deficient number, since it is larger than the sum of its proper divisors (1171201).

12883079 is a wasteful number, since it uses less digits than its factorization.

12883079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171200.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 12883079 is about 3589.3006282562. The cubic root of 12883079 is about 234.4264206940.

The spelling of 12883079 in words is "twelve million, eight hundred eighty-three thousand, seventy-nine".

Divisors: 1 11 1171189 12883079