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12770824 = 2311279167
BaseRepresentation
bin110000101101…
…111000001000
3220000211021111
4300231320020
511232131244
61133420104
7213356503
oct60557010
926024244
1012770824
117232a00
12433a634
132851b01
1419a613a
1511c3e34
hexc2de08

12770824 has 48 divisors (see below), whose sum is σ = 26812800. Its totient is φ = 5697120.

The previous prime is 12770801. The next prime is 12770837. The reversal of 12770824 is 42807721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76389 + ... + 76555.

It is an arithmetic number, because the mean of its divisors is an integer number (558600).

Almost surely, 212770824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12770824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13406400).

12770824 is an abundant number, since it is smaller than the sum of its proper divisors (14041976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12770824 is a wasteful number, since it uses less digits than its factorization.

12770824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 259 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 12770824 is about 3573.6289678701. The cubic root of 12770824 is about 233.7435523020.

The spelling of 12770824 in words is "twelve million, seven hundred seventy thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 11 22 44 79 88 121 158 167 242 316 334 484 632 668 869 968 1336 1738 1837 3476 3674 6952 7348 9559 13193 14696 19118 20207 26386 38236 40414 52772 76472 80828 105544 145123 161656 290246 580492 1160984 1596353 3192706 6385412 12770824