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12013207 is a prime number
BaseRepresentation
bin101101110100…
…111010010111
3211121100000121
4231310322113
511033410312
61105252411
7204052633
oct55647227
924540017
1012013207
116865778
124034107
13264800b
141849dc3
1510c4707
hexb74e97

12013207 has 2 divisors, whose sum is σ = 12013208. Its totient is φ = 12013206.

The previous prime is 12013201. The next prime is 12013219. The reversal of 12013207 is 70231021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12013207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12013201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006603 + 6006604.

It is an arithmetic number, because the mean of its divisors is an integer number (6006604).

Almost surely, 212013207 is an apocalyptic number.

12013207 is a deficient number, since it is larger than the sum of its proper divisors (1).

12013207 is an equidigital number, since it uses as much as digits as its factorization.

12013207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 12013207 is about 3466.0073571763. The cubic root of 12013207 is about 229.0268079445.

Adding to 12013207 its reverse (70231021), we get a palindrome (82244228).

The spelling of 12013207 in words is "twelve million, thirteen thousand, two hundred seven".