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12053191 is a prime number
BaseRepresentation
bin101101111110…
…101011000111
3211200100212111
4231332223013
511041200231
61110201451
7204310333
oct55765307
924610774
1012053191
116892817
124053287
132660287
14185a7c3
1510d14b1
hexb7eac7

12053191 has 2 divisors, whose sum is σ = 12053192. Its totient is φ = 12053190.

The previous prime is 12053161. The next prime is 12053213. The reversal of 12053191 is 19135021.

It is an a-pointer prime, because the next prime (12053213) can be obtained adding 12053191 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12053191 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12053131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6026595 + 6026596.

It is an arithmetic number, because the mean of its divisors is an integer number (6026596).

Almost surely, 212053191 is an apocalyptic number.

12053191 is a deficient number, since it is larger than the sum of its proper divisors (1).

12053191 is an equidigital number, since it uses as much as digits as its factorization.

12053191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 12053191 is about 3471.7705857386. The cubic root of 12053191 is about 229.2806193536.

The spelling of 12053191 in words is "twelve million, fifty-three thousand, one hundred ninety-one".