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12837992 = 231794397
BaseRepresentation
bin110000111110…
…010001101000
3220011020102012
4300332101220
511241303432
61135055052
7214056356
oct60762150
926136365
1012837992
117279412
124371488
13287655b
1419c27d6
1511d8cb2
hexc3e468

12837992 has 16 divisors (see below), whose sum is σ = 25487460. Its totient is φ = 6041344.

The previous prime is 12837991. The next prime is 12837997. The reversal of 12837992 is 29973821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12773476 + 64516 = 3574^2 + 254^2 .

It is not an unprimeable number, because it can be changed into a prime (12837991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47063 + ... + 47334.

Almost surely, 212837992 is an apocalyptic number.

It is an amenable number.

12837992 is a deficient number, since it is larger than the sum of its proper divisors (12649468).

12837992 is a wasteful number, since it uses less digits than its factorization.

12837992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94420 (or 94416 counting only the distinct ones).

The product of its digits is 54432, while the sum is 41.

The square root of 12837992 is about 3583.0143734013. The cubic root of 12837992 is about 234.1526264608.

The spelling of 12837992 in words is "twelve million, eight hundred thirty-seven thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 17 34 68 136 94397 188794 377588 755176 1604749 3209498 6418996 12837992