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12190873 is a prime number
BaseRepresentation
bin101110100000…
…010010011001
3211221100201211
4232200102121
511110101443
61113143121
7205422622
oct56402231
924840654
1012190873
116977202
1240baaa1
1326aab46
141894a49
15110c19d
hexba0499

12190873 has 2 divisors, whose sum is σ = 12190874. Its totient is φ = 12190872.

The previous prime is 12190859. The next prime is 12190877. The reversal of 12190873 is 37809121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11471769 + 719104 = 3387^2 + 848^2 .

It is a cyclic number.

It is not a de Polignac number, because 12190873 - 29 = 12190361 is a prime.

It is not a weakly prime, because it can be changed into another prime (12190877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6095436 + 6095437.

It is an arithmetic number, because the mean of its divisors is an integer number (6095437).

Almost surely, 212190873 is an apocalyptic number.

It is an amenable number.

12190873 is a deficient number, since it is larger than the sum of its proper divisors (1).

12190873 is an equidigital number, since it uses as much as digits as its factorization.

12190873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 12190873 is about 3491.5430686159. The cubic root of 12190873 is about 230.1503302027.

Adding to 12190873 its reverse (37809121), we get a palindrome (49999994).

The spelling of 12190873 in words is "twelve million, one hundred ninety thousand, eight hundred seventy-three".