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12124897 is a prime number
BaseRepresentation
bin101110010000…
…001011100001
3211211000020021
4232100023201
511100444042
61111513441
7205026361
oct56201341
924730207
1012124897
116931684
124088881
132686ac5
1418789a1
1510e7867
hexb902e1

12124897 has 2 divisors, whose sum is σ = 12124898. Its totient is φ = 12124896.

The previous prime is 12124891. The next prime is 12124901. The reversal of 12124897 is 79842121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6885376 + 5239521 = 2624^2 + 2289^2 .

It is an emirp because it is prime and its reverse (79842121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12124897 - 27 = 12124769 is a prime.

It is not a weakly prime, because it can be changed into another prime (12124891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6062448 + 6062449.

It is an arithmetic number, because the mean of its divisors is an integer number (6062449).

Almost surely, 212124897 is an apocalyptic number.

It is an amenable number.

12124897 is a deficient number, since it is larger than the sum of its proper divisors (1).

12124897 is an equidigital number, since it uses as much as digits as its factorization.

12124897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 34.

The square root of 12124897 is about 3482.0822793266. The cubic root of 12124897 is about 229.7343940873.

The spelling of 12124897 in words is "twelve million, one hundred twenty-four thousand, eight hundred ninety-seven".