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12251207 is a prime number
BaseRepresentation
bin101110101111…
…000001000111
3212001102111102
4232233001013
511114014312
61114330315
7206063543
oct56570107
925042442
1012251207
116a08571
12412999b
1326cc447
1418aca23
15111eec2
hexbaf047

12251207 has 2 divisors, whose sum is σ = 12251208. Its totient is φ = 12251206.

The previous prime is 12251201. The next prime is 12251269. The reversal of 12251207 is 70215221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12251207 - 24 = 12251191 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12251201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6125603 + 6125604.

It is an arithmetic number, because the mean of its divisors is an integer number (6125604).

Almost surely, 212251207 is an apocalyptic number.

12251207 is a deficient number, since it is larger than the sum of its proper divisors (1).

12251207 is an equidigital number, since it uses as much as digits as its factorization.

12251207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12251207 is about 3500.1724243243. The cubic root of 12251207 is about 230.5293855061.

Adding to 12251207 its reverse (70215221), we get a palindrome (82466428).

The spelling of 12251207 in words is "twelve million, two hundred fifty-one thousand, two hundred seven".