12762149 has 2 divisors, whose sum is σ = 12762150. Its totient is φ = 12762148.

The previous prime is 12762143. The next prime is 12762161. The reversal of 12762149 is 94126721.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10144225 + 2617924 = 3185^2 + 1618^2 .

It is a cyclic number.

It is not a de Polignac number, because 12762149 - 2⁸ = 12761893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p₈₃₄₇₈₂ and since 12762149 and 834782 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 (12762143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6381074 + 6381075.

It is an arithmetic number, because the mean of its divisors is an integer number (6381075).

Almost surely, 2^12762149 is an apocalyptic number.

It is an amenable number.

12762149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12762149 is an equidigital number, since it uses as much as digits as its factorization.

12762149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 12762149 is about 3572.4150094859. The cubic root of 12762149 is about 233.6906143286.

The spelling of 12762149 in words is "twelve million, seven hundred sixty-two thousand, one hundred forty-nine".