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12193693 is a prime number
BaseRepresentation
bin101110100000…
…111110011101
3211221111121021
4232200332131
511110144233
61113204141
7205434061
oct56407635
924844537
1012193693
116979336
124100651
1326ac205
141895aa1
15110ce2d
hexba0f9d

12193693 has 2 divisors, whose sum is σ = 12193694. Its totient is φ = 12193692.

The previous prime is 12193691. The next prime is 12193697. The reversal of 12193693 is 39639121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10067929 + 2125764 = 3173^2 + 1458^2 .

It is a cyclic number.

It is not a de Polignac number, because 12193693 - 21 = 12193691 is a prime.

It is a super-2 number, since 2×121936932 = 297372297956498, which contains 22 as substring.

Together with 12193691, 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 (12193691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6096846 + 6096847.

It is an arithmetic number, because the mean of its divisors is an integer number (6096847).

Almost surely, 212193693 is an apocalyptic number.

It is an amenable number.

12193693 is a deficient number, since it is larger than the sum of its proper divisors (1).

12193693 is an equidigital number, since it uses as much as digits as its factorization.

12193693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 34.

The square root of 12193693 is about 3491.9468781756. The cubic root of 12193693 is about 230.1680750050.

The spelling of 12193693 in words is "twelve million, one hundred ninety-three thousand, six hundred ninety-three".