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12446081 is a prime number
BaseRepresentation
bin101111011110…
…100110000001
3212102022210222
4233132212001
511141233311
61122432425
7210534644
oct57364601
925368728
1012446081
117030a1a
124202715
13276a05b
14191da5b
15115cadb
hexbde981

12446081 has 2 divisors, whose sum is σ = 12446082. Its totient is φ = 12446080.

The previous prime is 12446069. The next prime is 12446101. The reversal of 12446081 is 18064421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8410000 + 4036081 = 2900^2 + 2009^2 .

It is a cyclic number.

It is not a de Polignac number, because 12446081 - 218 = 12183937 is a prime.

It is a super-2 number, since 2×124460812 = 309809864517122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12446081.

It is not a weakly prime, because it can be changed into another prime (12446011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6223040 + 6223041.

It is an arithmetic number, because the mean of its divisors is an integer number (6223041).

Almost surely, 212446081 is an apocalyptic number.

It is an amenable number.

12446081 is a deficient number, since it is larger than the sum of its proper divisors (1).

12446081 is an equidigital number, since it uses as much as digits as its factorization.

12446081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 12446081 is about 3527.9003670739. The cubic root of 12446081 is about 231.7452676258.

The spelling of 12446081 in words is "twelve million, four hundred forty-six thousand, eighty-one".