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12674749 is a prime number
BaseRepresentation
bin110000010110…
…011010111101
3212211221111011
4300112122331
511221042444
61131355221
7212506423
oct60263275
925757434
1012674749
1171777aa
1242b2b11
13281a169
14197d113
1511a5734
hexc166bd

12674749 has 2 divisors, whose sum is σ = 12674750. Its totient is φ = 12674748.

The previous prime is 12674731. The next prime is 12674777. The reversal of 12674749 is 94747621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12652249 + 22500 = 3557^2 + 150^2 .

It is an emirp because it is prime and its reverse (94747621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12674749 - 29 = 12674237 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 (12674719) 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, 6337374 + 6337375.

It is an arithmetic number, because the mean of its divisors is an integer number (6337375).

Almost surely, 212674749 is an apocalyptic number.

It is an amenable number.

12674749 is a deficient number, since it is larger than the sum of its proper divisors (1).

12674749 is an equidigital number, since it uses as much as digits as its factorization.

12674749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 40.

The square root of 12674749 is about 3560.1613727470. The cubic root of 12674749 is about 233.1559247837.

The spelling of 12674749 in words is "twelve million, six hundred seventy-four thousand, seven hundred forty-nine".