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12443701 is a prime number
BaseRepresentation
bin101111011110…
…000000110101
3212102012112211
4233132000311
511141144301
61122413421
7210525004
oct57360065
925365484
1012443701
11702a156
124201271
132768c4a
14191cc3b
15115c051
hexbde035

12443701 has 2 divisors, whose sum is σ = 12443702. Its totient is φ = 12443700.

The previous prime is 12443693. The next prime is 12443719. The reversal of 12443701 is 10734421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12432676 + 11025 = 3526^2 + 105^2 .

It is a cyclic number.

It is not a de Polignac number, because 12443701 - 23 = 12443693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12443731) 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, 6221850 + 6221851.

It is an arithmetic number, because the mean of its divisors is an integer number (6221851).

Almost surely, 212443701 is an apocalyptic number.

It is an amenable number.

12443701 is a deficient number, since it is larger than the sum of its proper divisors (1).

12443701 is an equidigital number, since it uses as much as digits as its factorization.

12443701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 12443701 is about 3527.5630398336. The cubic root of 12443701 is about 231.7304948660.

The spelling of 12443701 in words is "twelve million, four hundred forty-three thousand, seven hundred one".