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12803113 is a prime number
BaseRepresentation
bin110000110101…
…110000101001
3220002110120101
4300311300221
511234144423
61134225401
7213552601
oct60656051
926073511
1012803113
117255194
124355261
13286370b
1419b3c01
1511cd7ad
hexc35c29

12803113 has 2 divisors, whose sum is σ = 12803114. Its totient is φ = 12803112.

The previous prime is 12803101. The next prime is 12803137. The reversal of 12803113 is 31130821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8363664 + 4439449 = 2892^2 + 2107^2 .

It is a cyclic number.

It is not a de Polignac number, because 12803113 - 213 = 12794921 is a prime.

It is not a weakly prime, because it can be changed into another prime (12803173) 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, 6401556 + 6401557.

It is an arithmetic number, because the mean of its divisors is an integer number (6401557).

Almost surely, 212803113 is an apocalyptic number.

It is an amenable number.

12803113 is a deficient number, since it is larger than the sum of its proper divisors (1).

12803113 is an equidigital number, since it uses as much as digits as its factorization.

12803113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 12803113 is about 3578.1437925271. The cubic root of 12803113 is about 233.9403809933.

Adding to 12803113 its reverse (31130821), we get a palindrome (43933934).

The spelling of 12803113 in words is "twelve million, eight hundred three thousand, one hundred thirteen".