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12111419 is a prime number
BaseRepresentation
bin101110001100…
…111000111011
3211210022202002
4232030320323
511100031134
61111331215
7204642155
oct56147073
924708662
1012111419
116922541
124080b0b
132680928
141873ad5
1510e387e
hexb8ce3b

12111419 has 2 divisors, whose sum is σ = 12111420. Its totient is φ = 12111418.

The previous prime is 12111397. The next prime is 12111427. The reversal of 12111419 is 91411121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12111419 - 28 = 12111163 is a prime.

It is a super-2 number, since 2×121114192 = 293372940387122, 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 12111419.

It is not a weakly prime, because it can be changed into another prime (12111439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055709 + 6055710.

It is an arithmetic number, because the mean of its divisors is an integer number (6055710).

Almost surely, 212111419 is an apocalyptic number.

12111419 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111419 is an equidigital number, since it uses as much as digits as its factorization.

12111419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 20.

The square root of 12111419 is about 3480.1464049663. The cubic root of 12111419 is about 229.6492385000.

The spelling of 12111419 in words is "twelve million, one hundred eleven thousand, four hundred nineteen".