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13205419 is a prime number
BaseRepresentation
bin110010010111…
…111110101011
3220211220102121
4302113332223
511340033134
61151012111
7220146523
oct62277653
926756377
1013205419
1174aa477
12450a037
132974876
141a7a683
15125cab4
hexc97fab

13205419 has 2 divisors, whose sum is σ = 13205420. Its totient is φ = 13205418.

The previous prime is 13205393. The next prime is 13205461. The reversal of 13205419 is 91450231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13205419 - 29 = 13204907 is a prime.

It is a super-2 number, since 2×132054192 = 348766181931122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13205393 and 13205402.

It is not a weakly prime, because it can be changed into another prime (13203419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6602709 + 6602710.

It is an arithmetic number, because the mean of its divisors is an integer number (6602710).

Almost surely, 213205419 is an apocalyptic number.

13205419 is a deficient number, since it is larger than the sum of its proper divisors (1).

13205419 is an equidigital number, since it uses as much as digits as its factorization.

13205419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 13205419 is about 3633.9261137233. The cubic root of 13205419 is about 236.3654863088.

The spelling of 13205419 in words is "thirteen million, two hundred five thousand, four hundred nineteen".