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12746994 = 23133967
BaseRepresentation
bin110000101000…
…000011110010
3212222121120220
4300220003302
511230400434
61133113510
7213230151
oct60500362
925877526
1012746994
117217007
124328896
132844000
14199b598
1511bbd49
hexc280f2

12746994 has 32 divisors (see below), whose sum is σ = 27646080. Its totient is φ = 3918096.

The previous prime is 12746959. The next prime is 12746999. The reversal of 12746994 is 49964721.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12746999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12699 + ... + 13665.

It is an arithmetic number, because the mean of its divisors is an integer number (863940).

Almost surely, 212746994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12746994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13823040).

12746994 is an abundant number, since it is smaller than the sum of its proper divisors (14899086).

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

12746994 is an equidigital number, since it uses as much as digits as its factorization.

12746994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011 (or 985 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 12746994 is about 3570.2932652655. The cubic root of 12746994 is about 233.5980754713.

The spelling of 12746994 in words is "twelve million, seven hundred forty-six thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 13 26 39 78 169 338 507 967 1014 1934 2197 2901 4394 5802 6591 12571 13182 25142 37713 75426 163423 326846 490269 980538 2124499 4248998 6373497 12746994