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12803114 = 26401557
BaseRepresentation
bin110000110101…
…110000101010
3220002110120102
4300311300222
511234144424
61134225402
7213552602
oct60656052
926073512
1012803114
117255195
124355262
13286370c
1419b3c02
1511cd7ae
hexc35c2a

12803114 has 4 divisors (see below), whose sum is σ = 19204674. Its totient is φ = 6401556.

The previous prime is 12803113. The next prime is 12803137. The reversal of 12803114 is 41130821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41130821 = 53237727.

It can be written as a sum of positive squares in only one way, i.e., 11868025 + 935089 = 3445^2 + 967^2 .

It is not an unprimeable number, because it can be changed into a prime (12803113) 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 as a sum of consecutive naturals, namely, 3200777 + ... + 3200780.

Almost surely, 212803114 is an apocalyptic number.

12803114 is a deficient number, since it is larger than the sum of its proper divisors (6401560).

12803114 is an equidigital number, since it uses as much as digits as its factorization.

12803114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401559.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 12803114 is about 3578.1439322643. The cubic root of 12803114 is about 233.9403870840.

Adding to 12803114 its reverse (41130821), we get a palindrome (53933935).

The spelling of 12803114 in words is "twelve million, eight hundred three thousand, one hundred fourteen".

Divisors: 1 2 6401557 12803114