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12669229 is a prime number
BaseRepresentation
bin110000010101…
…000100101101
3212211122220201
4300111010231
511220403404
61131313501
7212454346
oct60250455
925748821
1012669229
117173641
1242ab891
1328177b1
14197b0cd
1511a3ca4
hexc1512d

12669229 has 2 divisors, whose sum is σ = 12669230. Its totient is φ = 12669228.

The previous prime is 12669211. The next prime is 12669263. The reversal of 12669229 is 92296621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7851204 + 4818025 = 2802^2 + 2195^2 .

It is a cyclic number.

It is not a de Polignac number, because 12669229 - 25 = 12669197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12669289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6334614 + 6334615.

It is an arithmetic number, because the mean of its divisors is an integer number (6334615).

Almost surely, 212669229 is an apocalyptic number.

It is an amenable number.

12669229 is a deficient number, since it is larger than the sum of its proper divisors (1).

12669229 is an equidigital number, since it uses as much as digits as its factorization.

12669229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 12669229 is about 3559.3860425641. The cubic root of 12669229 is about 233.1220725002.

The spelling of 12669229 in words is "twelve million, six hundred sixty-nine thousand, two hundred twenty-nine".