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12782996 = 2283139277
BaseRepresentation
bin110000110000…
…110110010100
3220001102222022
4300300312110
511233023441
61133552312
7213440132
oct60606624
926042868
1012782996
117241066
124345698
132857505
1419aa752
1511c784b
hexc30d94

12782996 has 24 divisors (see below), whose sum is σ = 22884960. Its totient is φ = 6246432.

The previous prime is 12782993. The next prime is 12783007. The reversal of 12782996 is 69928721.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12782993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46010 + ... + 46286.

It is an arithmetic number, because the mean of its divisors is an integer number (953540).

Almost surely, 212782996 is an apocalyptic number.

It is an amenable number.

12782996 is a deficient number, since it is larger than the sum of its proper divisors (10101964).

12782996 is a wasteful number, since it uses less digits than its factorization.

12782996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 501 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 12782996 is about 3575.3315930134. The cubic root of 12782996 is about 233.8177898268.

The spelling of 12782996 in words is "twelve million, seven hundred eighty-two thousand, nine hundred ninety-six".

Divisors: 1 2 4 83 139 166 277 278 332 554 556 1108 11537 22991 23074 38503 45982 46148 77006 91964 154012 3195749 6391498 12782996