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12190693 is a prime number
BaseRepresentation
bin101110100000…
…001111100101
3211221100111011
4232200033211
511110100233
61113142221
7205422244
oct56401745
924840434
1012190693
116977059
1240ba971
1326aaa38
14189495b
15110c0cd
hexba03e5

12190693 has 2 divisors, whose sum is σ = 12190694. Its totient is φ = 12190692.

The previous prime is 12190691. The next prime is 12190697. The reversal of 12190693 is 39609121.

12190693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11009124 + 1181569 = 3318^2 + 1087^2 .

It is a cyclic number.

It is not a de Polignac number, because 12190693 - 21 = 12190691 is a prime.

It is a super-2 number, since 2×121906932 = 297225991640498, which contains 22 as substring.

Together with 12190691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12190691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6095346 + 6095347.

It is an arithmetic number, because the mean of its divisors is an integer number (6095347).

Almost surely, 212190693 is an apocalyptic number.

It is an amenable number.

12190693 is a deficient number, since it is larger than the sum of its proper divisors (1).

12190693 is an equidigital number, since it uses as much as digits as its factorization.

12190693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 12190693 is about 3491.5172919520. The cubic root of 12190693 is about 230.1491974629.

The spelling of 12190693 in words is "twelve million, one hundred ninety thousand, six hundred ninety-three".