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12021007 is a prime number
BaseRepresentation
bin101101110110…
…110100001111
3211121201201111
4231312310033
511034133012
61105352451
7204114445
oct55666417
924551644
1012021007
116870619
124038727
13264b72b
14184cb95
1510c6ba7
hexb76d0f

12021007 has 2 divisors, whose sum is σ = 12021008. Its totient is φ = 12021006.

The previous prime is 12021001. The next prime is 12021013. The reversal of 12021007 is 70012021.

It is a balanced prime because it is at equal distance from previous prime (12021001) and next prime (12021013).

It is a cyclic number.

It is not a de Polignac number, because 12021007 - 223 = 3632399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010503 + 6010504.

It is an arithmetic number, because the mean of its divisors is an integer number (6010504).

Almost surely, 212021007 is an apocalyptic number.

12021007 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021007 is an equidigital number, since it uses as much as digits as its factorization.

12021007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 12021007 is about 3467.1323885886. The cubic root of 12021007 is about 229.0763651419.

Adding to 12021007 its reverse (70012021), we get a palindrome (82033028).

It can be divided in two parts, 1202 and 1007, that added together give a square (2209 = 472).

The spelling of 12021007 in words is "twelve million, twenty-one thousand, seven".