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12494149 is a prime number
BaseRepresentation
bin101111101010…
…010101000101
3212111202202021
4233222111011
511144303044
61123443141
7211125043
oct57522505
925452667
1012494149
117064048
1242264b1
132785bb5
141933393
15116be84
hexbea545

12494149 has 2 divisors, whose sum is σ = 12494150. Its totient is φ = 12494148.

The previous prime is 12494137. The next prime is 12494171. The reversal of 12494149 is 94149421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9721924 + 2772225 = 3118^2 + 1665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12494149 is a prime.

It is a super-2 number, since 2×124941492 = 312207518468402, which contains 22 as substring.

It is equal to p818377 and since 12494149 and 818377 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12404149) 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, 6247074 + 6247075.

It is an arithmetic number, because the mean of its divisors is an integer number (6247075).

Almost surely, 212494149 is an apocalyptic number.

It is an amenable number.

12494149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12494149 is an equidigital number, since it uses as much as digits as its factorization.

12494149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 12494149 is about 3534.7063527258. The cubic root of 12494149 is about 232.0432254477.

The spelling of 12494149 in words is "twelve million, four hundred ninety-four thousand, one hundred forty-nine".