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12883823 = 53243091
BaseRepresentation
bin110001001001…
…011101101111
3220020120021122
4301021131233
511244240243
61140051155
7214340111
oct61113557
926216248
1012883823
1172aa897
124393abb
132891384
1419d53b1
1511e7668
hexc4976f

12883823 has 4 divisors (see below), whose sum is σ = 13126968. Its totient is φ = 12640680.

The previous prime is 12883813. The next prime is 12883837. The reversal of 12883823 is 32838821.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12883823 - 210 = 12882799 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 (12883813) 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, 121493 + ... + 121598.

It is an arithmetic number, because the mean of its divisors is an integer number (3281742).

Almost surely, 212883823 is an apocalyptic number.

12883823 is a deficient number, since it is larger than the sum of its proper divisors (243145).

12883823 is an equidigital number, since it uses as much as digits as its factorization.

12883823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243144.

The product of its digits is 18432, while the sum is 35.

The square root of 12883823 is about 3589.4042681203. The cubic root of 12883823 is about 234.4309333290.

The spelling of 12883823 in words is "twelve million, eight hundred eighty-three thousand, eight hundred twenty-three".

Divisors: 1 53 243091 12883823