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12370409 is a prime number
BaseRepresentation
bin101111001100…
…000111101001
3212021111000022
4233030013221
511131323114
61121050225
7210101222
oct57140751
925244008
1012370409
116a8a087
124186975
13274178c
141900249
15114548e
hexbcc1e9

12370409 has 2 divisors, whose sum is σ = 12370410. Its totient is φ = 12370408.

The previous prime is 12370381. The next prime is 12370429. The reversal of 12370409 is 90407321.

12370409 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12250000 + 120409 = 3500^2 + 347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12370409 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12370429) 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, 6185204 + 6185205.

It is an arithmetic number, because the mean of its divisors is an integer number (6185205).

Almost surely, 212370409 is an apocalyptic number.

It is an amenable number.

12370409 is a deficient number, since it is larger than the sum of its proper divisors (1).

12370409 is an equidigital number, since it uses as much as digits as its factorization.

12370409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 12370409 is about 3517.1592230094. The cubic root of 12370409 is about 231.2746431980.

The spelling of 12370409 in words is "twelve million, three hundred seventy thousand, four hundred nine".