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12148069 is a prime number
BaseRepresentation
bin101110010101…
…110101100101
3211212012000111
4232111311211
511102214234
61112213021
7205154053
oct56256545
924765014
1012148069
11694802a
12409a171
13269450b
1418831d3
1510ee664
hexb95d65

12148069 has 2 divisors, whose sum is σ = 12148070. Its totient is φ = 12148068.

The previous prime is 12148061. The next prime is 12148079. The reversal of 12148069 is 96084121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9375844 + 2772225 = 3062^2 + 1665^2 .

It is a cyclic number.

It is not a de Polignac number, because 12148069 - 23 = 12148061 is a prime.

It is a super-2 number, since 2×121480692 = 295151160857522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12148069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12148061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6074034 + 6074035.

It is an arithmetic number, because the mean of its divisors is an integer number (6074035).

Almost surely, 212148069 is an apocalyptic number.

It is an amenable number.

12148069 is a deficient number, since it is larger than the sum of its proper divisors (1).

12148069 is an equidigital number, since it uses as much as digits as its factorization.

12148069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 12148069 is about 3485.4080105491. The cubic root of 12148069 is about 229.8806501138.

The spelling of 12148069 in words is "twelve million, one hundred forty-eight thousand, sixty-nine".