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12944819 is a prime number
BaseRepresentation
bin110001011000…
…010110110011
3220100122221202
4301120112303
511303213234
61141241415
7215012666
oct61302663
926318852
1012944819
1173416a8
12440326b
1328b3074
141a0d6dd
15120a77e
hexc585b3

12944819 has 2 divisors, whose sum is σ = 12944820. Its totient is φ = 12944818.

The previous prime is 12944801. The next prime is 12944831. The reversal of 12944819 is 91844921.

12944819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12944819 - 28 = 12944563 is a prime.

It is a super-2 number, since 2×129448192 = 335136677885522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12944839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6472409 + 6472410.

It is an arithmetic number, because the mean of its divisors is an integer number (6472410).

Almost surely, 212944819 is an apocalyptic number.

12944819 is a deficient number, since it is larger than the sum of its proper divisors (1).

12944819 is an equidigital number, since it uses as much as digits as its factorization.

12944819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 38.

The square root of 12944819 is about 3597.8909099638. The cubic root of 12944819 is about 234.8003071950.

The spelling of 12944819 in words is "twelve million, nine hundred forty-four thousand, eight hundred nineteen".