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12494213 is a prime number
BaseRepresentation
bin101111101010…
…010110000101
3212111202211122
4233222112011
511144303323
61123443325
7211125164
oct57522605
925452748
1012494213
1170640a6
124226545
132785c34
1419333db
15116bec8
hexbea585

12494213 has 2 divisors, whose sum is σ = 12494214. Its totient is φ = 12494212.

The previous prime is 12494173. The next prime is 12494219. The reversal of 12494213 is 31249421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9042049 + 3452164 = 3007^2 + 1858^2 .

It is a cyclic number.

It is not a de Polignac number, because 12494213 - 26 = 12494149 is a prime.

It is a super-2 number, since 2×124942132 = 312210716978738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12494219) 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, 6247106 + 6247107.

It is an arithmetic number, because the mean of its divisors is an integer number (6247107).

Almost surely, 212494213 is an apocalyptic number.

It is an amenable number.

12494213 is a deficient number, since it is larger than the sum of its proper divisors (1).

12494213 is an equidigital number, since it uses as much as digits as its factorization.

12494213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 12494213 is about 3534.7154058000. The cubic root of 12494213 is about 232.0436216529.

The spelling of 12494213 in words is "twelve million, four hundred ninety-four thousand, two hundred thirteen".