12456349 has 2 divisors, whose sum is σ = 12456350. Its totient is φ = 12456348.

The previous prime is 12456337. The next prime is 12456361. The reversal of 12456349 is 94365421.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (12456337) and next prime (12456361).

It can be written as a sum of positive squares in only one way, i.e., 12355225 + 101124 = 3515^2 + 318^2 .

It is a cyclic number.

It is not a de Polignac number, because 12456349 - 2⁷ = 12456221 is a prime.

It is a super-3 number, since 3×12456349³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12456319) 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, 6228174 + 6228175.

It is an arithmetic number, because the mean of its divisors is an integer number (6228175).

Almost surely, 2^12456349 is an apocalyptic number.

It is an amenable number.

12456349 is a deficient number, since it is larger than the sum of its proper divisors (1).

12456349 is an equidigital number, since it uses as much as digits as its factorization.

12456349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 12456349 is about 3529.3553235683. The cubic root of 12456349 is about 231.8089799523.

The spelling of 12456349 in words is "twelve million, four hundred fifty-six thousand, three hundred forty-nine".