12546949 has 2 divisors, whose sum is σ = 12546950. Its totient is φ = 12546948.

The previous prime is 12546929. The next prime is 12546977. The reversal of 12546949 is 94964521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7452900 + 5094049 = 2730^2 + 2257^2 .

It is an emirp because it is prime and its reverse (94964521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12546949 - 2⁵ = 12546917 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 (12546929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6273474 + 6273475.

It is an arithmetic number, because the mean of its divisors is an integer number (6273475).

Almost surely, 2^12546949 is an apocalyptic number.

It is an amenable number.

12546949 is a deficient number, since it is larger than the sum of its proper divisors (1).

12546949 is an equidigital number, since it uses as much as digits as its factorization.

12546949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 40.

The square root of 12546949 is about 3542.1672744240. The cubic root of 12546949 is about 232.3696359400.

It can be divided in two parts, 125 and 46949, that added together give a palindrome (47074).

The spelling of 12546949 in words is "twelve million, five hundred forty-six thousand, nine hundred forty-nine".